{"title":"Kerr","description":"","products":[{"product_id":"allied-mineral-sc20-casting-investment","title":"Allied Mineral SC20 Investments","description":"\u003cp\u003eAllied Mineral SC20 casting investment—formerly known as Kerr Satin Cast 20—delivers the same defect-free repeatability and satin-smooth finishes trusted by casters worldwide. Formulated for fine detail and consistent results, SC20 produces dense, clean castings with a smooth, creamy mix that pours easily and sets reliably. Now produced under the Ransom \u0026amp; Randolph name, the proven formula remains unchanged.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFormerly Kerr Satin Cast 20; same proven formula, new name\u003c\/li\u003e\n\u003cli\u003eProduces fine detail with consistent, satin-smooth surface finish\u003c\/li\u003e\n\u003cli\u003eExtra fine grain, zero mineralized cristobalite powder\u003c\/li\u003e\n\u003cli\u003eSmooth, creamy consistency for easy mixing and pouring\u003c\/li\u003e\n\u003cli\u003eReliable 9–10 minute work time (with 72°F \/ 22°C water)\u003c\/li\u003e\n\u003cli\u003eFlask set time of 11–12 minutes\u003c\/li\u003e\n\u003cli\u003eFor casting metals under 2000°F (1093°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eSC20 Casting Investment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormer Name\u003c\/th\u003e\n\u003ctd\u003eKerr Satin Cast 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Casting Temperature\u003c\/th\u003e\n\u003ctd\u003eUnder 2000°F (1093°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWork Time\u003c\/th\u003e\n\u003ctd\u003e9–10 minutes (with 72°F \/ 22°C water)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlask Set Time\u003c\/th\u003e\n\u003ctd\u003e11–12 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eRansom \u0026amp; Randolph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e121.721-44\u003c\/td\u003e\n\u003ctd\u003e44 lbs (19.96 kg)\u003c\/td\u003e\n\u003ctd\u003eCardboard Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e121.722\u003c\/td\u003e\n\u003ctd\u003e100 lbs (45.36 kg)\u003c\/td\u003e\n\u003ctd\u003ePlastic Carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe SC20 formula originated with Kerr, transferred to Allied Mineral, and is now produced under the Ransom \u0026amp; Randolph name; the formula remains unchanged.\u003c\/li\u003e\n\u003cli\u003eThe 100 lb plastic carton costs approximately the same per pound as the 44 lb cardboard box due to the higher cost of the plastic container.\u003c\/li\u003e\n\u003cli\u003eUPS shipping for the 100 lb plastic carton may incur overweight surcharges; ordering two 44 lb cardboard boxes can help avoid these additional carrier fees.\u003c\/li\u003e\n\u003cli\u003eThe 100 lb plastic carton remains advantageous for bulk purchases shipped via truck freight.\u003c\/li\u003e\n\u003cli\u003eThis product cannot be shipped outside the United States via postal service.\u003c\/li\u003e\n\u003cli\u003eStore in a dry environment and follow proper investment mixing and burnout procedures for best results.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kerr","offers":[{"title":"44 lbs","offer_id":47551683526870,"sku":"121.721-44","price":65.0,"currency_code":"USD","in_stock":true},{"title":"100 lbs","offer_id":47551683494102,"sku":"121.722","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/121.720MAINNEW3_thumb_135d228d-d8d3-415b-be1e-dbec4f747273.jpg?v=1764708011"},{"product_id":"kerr-graphite-crucibles-30-troy-ounce-electro-melt","title":"Kerr-Ventura Graphite Crucibles For All 30 Troy Ounce Models","description":"\u003cp\u003eThese virgin graphite crucibles are manufactured exclusively for Otto Frei as a direct replacement for Kerr part numbers 29478 and 35620. Designed for use in all Kerr 30 troy ounce (approximately 1 kilo) Electro Melt models, they deliver long-lasting, economical performance that outlasts compressed graphite alternatives.\u003c\/p\u003e\u003cp\u003eUnlike the compressed graphite crucibles commonly found on the market, these crucibles are made from virgin graphite — a denser, higher-quality material that results in a heavier crucible with a bright, shiny, smooth surface when new. This construction provides maximum resistance to oxidation during the melt cycle, helping to protect your metal and extend service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTo avoid cross-contamination, use a separate crucible for each metal type.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMade from virgin graphite — not compressed graphite — for greater density and durability\u003c\/li\u003e\n\u003cli\u003eHeavier construction with a smooth, shiny surface when new\u003c\/li\u003e\n\u003cli\u003eProvides maximum oxidation resistance during melting\u003c\/li\u003e\n\u003cli\u003eDirect replacement for Kerr part numbers 29478 and 35620\u003c\/li\u003e\n\u003cli\u003eCompatible with all Kerr 30 troy ounce (1 kilo) Electro Melt models\u003c\/li\u003e\n\u003cli\u003eMade exclusively for Otto Frei\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e30 troy ounces (approximately 1 kilo) gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Height\u003c\/th\u003e\n\u003ctd\u003e5 in (127 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Width (widest point)\u003c\/th\u003e\n\u003ctd\u003e2–1\/4 in (57 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Width (below lip)\u003c\/th\u003e\n\u003ctd\u003e1–5\/8 in (41 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight to Top of Lip\u003c\/th\u003e\n\u003ctd\u003e4–1\/8 in (104 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Diameter\u003c\/th\u003e\n\u003ctd\u003e1–3\/8 in (35 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Depth\u003c\/th\u003e\n\u003ctd\u003e4–3\/16 in (110 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eVirgin graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplaces Kerr Part #\u003c\/th\u003e\n\u003ctd\u003e29478, 35620\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eCompatible with all Kerr 30 troy ounce Electro Melt models, including the current model 35222 and the following former production models:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKerr Series 1258 (former production)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKerr 31806 – 120V\u003c\/li\u003e\n\u003cli\u003eKerr 31807 – 230V\u003c\/li\u003e\n\u003cli\u003eKerr 31808 – 120V\u003c\/li\u003e\n\u003cli\u003eKerr 31809 – 230V\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKerr Series 364 (former production)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eKerr 13993 – 115V\u003c\/li\u003e\n\u003cli\u003eKerr 13994 – 230V\u003c\/li\u003e\n\u003cli\u003eKerr 22359 – 115V\u003c\/li\u003e\n\u003cli\u003eKerr 22373 – 230V\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll metric measurements are conversions and are ±1%.\u003c\/li\u003e\n\u003cli\u003eDimensions listed reflect a brand new crucible. Dimensions will change with use as the graphite wears with repeated exposure to heat and air.\u003c\/li\u003e\n\u003cli\u003eUse a dedicated crucible per metal type to prevent contamination.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":43579597324502,"sku":"122.340","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/122.340NEW_thumb_c23812bf-813d-491c-b943-1cdb86a1ae7b.jpg?v=1779837825"},{"product_id":"kerr-graphite-crucibles-100-troy-oz-electro-melt","title":"Kerr-Ventura Graphite Crucibles For 100 Troy Oz. Models","description":"\u003cp\u003eReplacement graphite crucibles designed for Kerr 100 troy ounce (3 kilo) gold capacity Electro Melt furnaces. Made from virgin graphite — not compressed graphite — these crucibles are heavier than standard alternatives and feature a bright, shiny, smooth surface when new. They are manufactured to match Kerr part numbers 29479 and 35621, making them a direct replacement for compatible Kerr Maxi Electro Melt models.\u003c\/p\u003e\n\n\u003cp\u003eGraphite crucibles provide maximum resistance to oxidation while metal is being melted. To avoid contamination, use a separate crucible for each metal type.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMade from virgin graphite, not compressed graphite\u003c\/li\u003e\n\u003cli\u003eHeavier construction than many competing crucibles\u003c\/li\u003e\n\u003cli\u003eBright, shiny, smooth surface when new\u003c\/li\u003e\n\u003cli\u003eMaximum resistance to oxidation during melting\u003c\/li\u003e\n\u003cli\u003eMatches Kerr part numbers 29479 and 35621\u003c\/li\u003e\n\u003cli\u003eCompatible with Kerr 100 troy oz (3 kilo) gold capacity Electro Melt furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e100 troy oz (3 kilo) gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Height (new)\u003c\/th\u003e\n\u003ctd\u003e5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Width — widest point (new)\u003c\/th\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutside Width — below lip (new)\u003c\/th\u003e\n\u003ctd\u003e3-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight — bottom to top of lip (new)\u003c\/th\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Width (new)\u003c\/th\u003e\n\u003ctd\u003e2-15\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Depth (new)\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eVirgin graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplaces Kerr Part #\u003c\/th\u003e\n\u003ctd\u003e29479, 35621\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions will change with use.\u003c\/strong\u003e As the crucible is exposed to heat and air during melting cycles, the graphite will wear and dimensions will decrease over time. Measurements listed above reflect a brand new crucible only.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible Kerr Maxi Electro Melt Models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eKerr Series 1259 (current production)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKerr 31810 — 120V\u003c\/li\u003e\n\u003cli\u003eKerr 31811 — 230V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eKerr Series 365 (former production)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKerr 22360 — 115V\u003c\/li\u003e\n\u003cli\u003eKerr 22374 — 230V\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":43579626160342,"sku":"122.341","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/kerr-ventura-graphite-crucibles-for-100-troy-oz-models-otto-frei.jpg?v=1719958548"},{"product_id":"kerr-14003-insulated-lid-100oz-electromelt","title":"Kerr 14003 Insulated Lid for 100 Oz. ElectroMelt","description":"\u003cp\u003eThe Kerr 14003 Insulated Lid is a purpose-built replacement and accessory lid designed for the Kerr 100 oz. ElectroMelt furnace. Maintaining proper heat retention during the melting process is critical for consistent casting results, and this insulated lid helps preserve furnace temperature by minimizing heat loss from the crucible chamber.\u003c\/p\u003e\u003cp\u003eDesigned specifically for Kerr's 100 oz. ElectroMelt unit, this lid is an essential spare or replacement component for jewelry casting studios and production environments that rely on the ElectroMelt for daily metal melting operations. Keeping a replacement lid on hand reduces downtime and helps ensure your furnace continues to perform at peak efficiency.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInsulated construction helps retain heat during melting operations\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the Kerr 100 oz. ElectroMelt furnace\u003c\/li\u003e\n\u003cli\u003eReplacement or spare lid to minimize casting studio downtime\u003c\/li\u003e\n\u003cli\u003eSupports consistent melt temperatures for reliable casting results\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eKerr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e14003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnace Capacity\u003c\/th\u003e\n\u003ctd\u003e100 oz. ElectroMelt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariant Count\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis lid is intended for use with the Kerr 100 oz. ElectroMelt furnace specifically. Verify your furnace model before ordering to ensure proper fit.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":43579627602134,"sku":"122.332A","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/kerr-14003-insulated-lid-for-100-oz-electromelt-otto-frei.jpg?v=1726693387"},{"product_id":"electric-melting-furnace-mf-1000-1kg-110v-60hz","title":"Electric Melting Furnace MF-1000 1 kg (30 oz) 110V\/60H","description":"\u003cp\u003eThe MF-1000 Electric Melting Furnace delivers reliable, high-performance melting capacity in a compact 110V unit suited for professional jewelers and metalsmiths. Its standout feature is a special alloy melting element rated to 1900°C (3450°F) — far above the machine's maximum operating temperature of 1150°C (2100°F). This wide margin between operating maximum and element failure point means the heating element experiences significantly less thermal stress than conventional electric furnaces, contributing to longer element life and more consistent performance.\u003c\/p\u003e\u003cp\u003eA durable ceramic melting chamber provides a safe, long-lasting melting environment. Replacement parts are stocked for ongoing serviceability, including heating elements (122.394), thermocouples (122.395), and ceramic flanges (122.396).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThis furnace displays temperature in Celsius only — it does not have a Fahrenheit readout.\u003c\/strong\u003e Ensure all operators are comfortable working in Celsius before use.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecial alloy heating element rated to 1900°C (3450°F) — far exceeds the 1150°C operating maximum for reduced thermal stress\u003c\/li\u003e\n\u003cli\u003eDurable ceramic melting chamber for safe, long-lasting performance\u003c\/li\u003e\n\u003cli\u003eDigital control panel with easy-to-use temperature set and display\u003c\/li\u003e\n\u003cli\u003eMaximum operating temperature: 1150°C\u003c\/li\u003e\n\u003cli\u003eRequires a 15-amp rated circuit (draws 14 amps)\u003c\/li\u003e\n\u003cli\u003eReplacement parts available: heating elements (122.394), thermocouples (122.395), ceramic flanges (122.396)\u003c\/li\u003e\n\u003cli\u003eTemperature display in Celsius only — no Fahrenheit readout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eMF-1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e1 kg (30 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmperage\u003c\/th\u003e\n\u003ctd\u003e14 amps (requires 15-amp rated circuit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Temperature\u003c\/th\u003e\n\u003ctd\u003e1150°C (2100°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating Element Rating\u003c\/th\u003e\n\u003ctd\u003eUp to 1900°C (3450°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Display\u003c\/th\u003e\n\u003ctd\u003eCelsius only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMelting Chamber\u003c\/th\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Material\u003c\/th\u003e\n\u003ctd\u003eHigh-purity graphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Outer Dimensions (new)\u003c\/th\u003e\n\u003ctd\u003e125 mm tall × 65 mm wide (at widest point); 50 mm wide below lip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Inner Dimensions (new)\u003c\/th\u003e\n\u003ctd\u003e38 mm across × 115 mm deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMF-1000 electric melting furnace\u003c\/li\u003e\n\u003cli\u003eOne high-purity graphite crucible with groove for crucible tongs\u003c\/li\u003e\n\u003cli\u003eOne pair of crucible tongs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eTemperature display is in Celsius only.\u003c\/strong\u003e This unit does not display Fahrenheit. Confirm all operators understand Celsius temperature values before use.\u003c\/p\u003e\u003cp\u003eThe furnace requires a dedicated 15-amp rated circuit. Do not use on an undersized circuit.\u003c\/p\u003e\u003cp\u003eCrucible dimensions listed reflect a brand-new crucible. Graphite will wear with repeated heat and air exposure — dimensions will change over time.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTemperature Setting Instructions:\u003c\/strong\u003e In normal SV\/PV display mode, press the Set button so the SV display flashes. Use the \u0026lt; button to navigate to the desired temperature digit, then use the ∨ and ∧ buttons to adjust the value. Press Set again to confirm and return to normal display. To access parameter settings, hold Set for 3 seconds in normal display mode. All factory parameters are preset — do not alter them. If the operator does not manually return to the main display, the unit will automatically revert after 30 seconds without saving any unsaved changes.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43582982127830,"sku":"122.392","price":495.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/122.392NEW_thumb_6030f150-50b6-4a29-b40a-b6d60889564f.jpg?v=1749599340"},{"product_id":"kerr-replacement-thermocouple-ventura-melt-30oz-100oz-electric-melting-furnace","title":"Replacement Thermocouple for 30oz \u0026 100oz Ventura-Melt Electric Melting Furnaces","description":"\u003cp\u003eKeep your Ventura-Melt electric melting furnace operating accurately with this direct replacement thermocouple. Compatible with both the 30 Troy Oz. and 100 Oz. gold capacity Ventura-Melt models, this thermocouple ensures precise temperature sensing so your melting cycles remain consistent and reliable. Keeping a spare on hand minimizes downtime in a production casting environment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement thermocouple for Ventura-Melt electric melting furnaces\u003c\/li\u003e\n\u003cli\u003eCompatible with the 30 Troy Oz. and 100 Oz. gold capacity models\u003c\/li\u003e\n\u003cli\u003eMaintains accurate temperature sensing for consistent melt cycles\u003c\/li\u003e\n\u003cli\u003eHelps minimize furnace downtime in professional casting operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnaces\u003c\/th\u003e\n\u003ctd\u003eVentura-Melt 30 Troy Oz. and 100 Oz. Gold Capacity Electric Melting Furnaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eReplacement Thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":43584569114838,"sku":"122.334","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/replacement-thermocouple-for-30oz-and-100oz-ventura-melt-electric-melting-furnaces-otto-frei.jpg?v=1719956071"},{"product_id":"ventura-melt-30-troy-ounce-electric-melting-furnace-120v-230v","title":"Ventura-Melt 30 Ounce Electric Melting Furnaces-120V or 230V","description":"\u003cp\u003eThe \u003cstrong\u003eVentura-Melt 30 Troy Ounce Electric Melting Furnace\u003c\/strong\u003e is the direct continuation of the legendary Kerr Electro-Melt — same machine, same Italian manufacturing, now under the Ventura-Melt name. Jewelers and casters who relied on the last generation Kerr Standard Electro-Melt (model 35222 in 120V, 35223 in 230V) will find these machines identical in every respect. All parts are fully interchangeable, making the transition seamless for existing users.\u003c\/p\u003e\n\u003cp\u003eAvailable in 120V or 230V, this 1 kilogram (30 troy ounce) gold capacity furnace features \u003cstrong\u003edigital controls with a built-in programmer\u003c\/strong\u003e, replacing the manual hi-low controls of earlier generations. The programmer allows precise temperature targeting for consistent, repeatable melts—eliminating the need for constant monitoring and reducing the risk of overshooting temperatures that can damage heating elements. When used as directed, the automatic controls extend element life and suit production use in casting and refining operations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFormerly branded as the Kerr Standard Electro-Melt — same machine, made in Italy\u003c\/li\u003e\n\u003cli\u003eDigital controls with built-in programmer for precise, repeatable temperature control\u003c\/li\u003e\n\u003cli\u003e1 kg (30 troy oz.) gold capacity; 775 g (25 troy oz.) silver capacity\u003c\/li\u003e\n\u003cli\u003eReaches 982°C (1800°F) in 22 minutes; maximum temperature 1121°C (2050°F)\u003c\/li\u003e\n\u003cli\u003eAll parts fully interchangeable with last-generation Kerr Electro-Melt (models 35222 \/ 35223)\u003c\/li\u003e\n\u003cli\u003eAvailable in 120V or 230V single phase\u003c\/li\u003e\n\u003cli\u003eIdeal for production casting and refining operations\u003c\/li\u003e\n\u003cli\u003eSold with a limited factory warranty from VCG Ventura SRL\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity (Gold)\u003c\/th\u003e\n\u003ctd\u003e930 g (30 troy oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity (Silver)\u003c\/th\u003e\n\u003ctd\u003e775 g (25 troy oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Temperature\u003c\/th\u003e\n\u003ctd\u003e1121°C (2050°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeat-Up Time\u003c\/th\u003e\n\u003ctd\u003e22 minutes to 982°C (1800°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower (120V)\u003c\/th\u003e\n\u003ctd\u003e120V, 7.2A, 850W, 50\/60 Hz, Single Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower (230V)\u003c\/th\u003e\n\u003ctd\u003e240V, 3.86A, 850W, 50\/60 Hz, Single Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase Footprint\u003c\/th\u003e\n\u003ctd\u003e8-1\/4\" × 6-1\/2\" × 5\" tall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Height\u003c\/th\u003e\n\u003ctd\u003e13-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMelter Dimensions\u003c\/th\u003e\n\u003ctd\u003e8-1\/2\" × 4-1\/2\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Overall Height\u003c\/th\u003e\n\u003ctd\u003e4-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Lip\u003c\/th\u003e\n\u003ctd\u003e7\/8\" high × 2-1\/4\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCrucible Body (below lip)\u003c\/th\u003e\n\u003ctd\u003e4\" × 1-7\/8\" diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in Italy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormerly Known As\u003c\/th\u003e\n\u003ctd\u003eKerr Electro-Melt Standard (models 35222 \/ 35223)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.333\u003c\/td\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e122.333-230\u003c\/td\u003e\n\u003ctd\u003e230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExceeding the maximum temperature of 1121°C (2050°F) will cause damage to the heating element.\u003c\/li\u003e\n\u003cli\u003eParts for Ventura-Melt and the last-generation Kerr Electro-Melt are \u003cstrong\u003enot\u003c\/strong\u003e interchangeable with any previous generation Kerr Electro-Melt—only the crucibles are compatible across generations.\u003c\/li\u003e\n\u003cli\u003eKerr closed their Jewelry Division at the end of 2017; the Kerr Electro-Melt brand has been retired. No parts are available for the first two generations of Kerr Electro-Melts.\u003c\/li\u003e\n\u003cli\u003eA 3 kg (100 troy oz.) gold capacity \"Maxi\" Ventura-Melt is also available separately in 120V or 230V.\u003c\/li\u003e\n\u003cli\u003eLimited factory warranty provided by VCG Ventura SRL. Liability is limited to replacement of the defective product or reimbursement of its actual cost. Defective product must be returned to VCG Ventura SRL. No indirect, incidental, or consequential damages are covered.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSold with a limited factory warranty.\u003c\/strong\u003e \u003ci\u003eIn the event of a defect in material or workmanship, Ventura VCG SRL's liability is limited, at VCG Ventura ARL's option, to replacement of the defective product or part thereof, or reimbursement of the actual cost of the defective product.  In order to take advantage of this limited warranty, the defective product must be returned to VCG Ventura SRL.  In no event shall VCG Ventura SRL, or any of their dealers or agents, be liable for any indirect, incidental or consequential damages.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ci style=\"color: #ff0000;\"\u003e\u003cstrong\u003eKerr closed their Jewelry Division as of the end of 2017 and the brand Kerr Electromelt has been retired. *There are no parts available for the previous 2 generations of Kerr Electro-Melts.  Only the crucibles are the same.  Only parts for the last generation Kerr Electro-Melts are available as Ventura-Melt parts.\u003c\/strong\u003e\u003c\/i\u003e\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"120V","offer_id":43619354607830,"sku":"122.333","price":930.0,"currency_code":"USD","in_stock":true},{"title":"230V","offer_id":43619354640598,"sku":"122.333-230","price":930.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ventura-melt-30-ounce-electric-melting-furnaces-120v-or-230v-otto-frei-1.jpg?v=1719955566"},{"product_id":"ventura-melt-100-troy-ounce-capacity-electric-melting-furnace-120v-or-230v","title":"Ventura-Melt 100 Ounce Electric Melting Furnaces-120V or 230V","description":"\u003cp\u003e\u003cstrong\u003eFormerly Branded as Kerr Electro-Melt\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNow branded as the Ventura-Melt\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNew Brand-Same Machine!\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eKerr had 3 generations* of melting furnaces branded as Electro-Melts over the years.  The last generation, and the most reliable, were the Electro-Melts manufactured in Italy.  We are excited to once again be able to offer these well proven electric melting furnaces, now branded as Ventura-Melts. \u003cbr\u003e\u003cbr\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese are the large 3 kilogram (100 troy ounce) capacity gold \"Maxi\" Ventura-Melts Electric Melting Furnace in either 120V or 230V.  \u003c\/strong\u003e\u003ci\u003eAlso available in a 1 kilogram (30 troy ounce) capacity gold \"Standard\" Electric Melting Furnace, in either 120V or 230V. See below.\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThese are the exact same machines as the Kerr Maxi Electro-Melts.  All parts are interchangeable, as all parts are exactly the same, so if you own the last generation 3 kg (100 troy ounce) Kerr Electro-Melt, model numbers 35224 in 120V (35225 in 230V), you will now be able to source parts in the unlikely event that you will ever need them. \u003ci\u003eThe last generation Italian made Kerr Electro-Melts were extremely reliable.  We sold hundreds of them and have had zero requests for spare parts.\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:#ff0000;\"\u003e\u003cstrong\u003eChoose from 2 voltages:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e122.336 120V (Formerly Kerr model 35224)\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e122.336-230V (Formerly Kerr model 35225) \u003c\/strong\u003e\u003cbr\u003e \u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eThe 100 troy oz. gold capacity Ventura-Melt has digital controls with a built in programmer so you can achieve \u003cstrong\u003eperfect melts every time\u003c\/strong\u003e. The programmer allows you to set precise temperatures for your melts, a big improvement over the previous generations manual hi-low controls that required constant observation least you overshoot and ruin your melt and your element. These Automatic versions, when used properly (please read instructions), extends element life and is perfect for production use in casting or refining operations. The Ventura-Melt with automatic controls is easy to program and simple to pour. The Ventura-Melt will achieve 982\u003csup\u003eo\u003c\/sup\u003eC\/1800\u003csup\u003eo\u003c\/sup\u003eF in 31 minutes and has a 3100 gram\/100 troy oz. gold capacity and a silver capacity of 2600 gram\/83 troy oz. Maximum temperature: 1100\u003csup\u003eo\u003c\/sup\u003eC\/2012\u003csup\u003eo\u003c\/sup\u003eF. Ventura-Melts, just like the Kerr Electro-Melts, are made in Italy.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUnit Size:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBase Foot Print: 8-1\/4\" x 6-1\/2\" x 5\" Tall\u003c\/p\u003e\u003cp\u003eOverall Height: 13-1\/2\"\u003c\/p\u003e\u003cp\u003eMelter on Top: 8-1\/2\" x 5-1\/2\" Diameter\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCrucible Size:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOverall Height: 5\"\u003c\/p\u003e\u003cp\u003eLip Height: 1\" x 4\" Diameter\u003c\/p\u003e\u003cp\u003eHeight Below Lip: 4\" x 3-1\/4\" Diameter\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003ci\u003e\u003cstrong\u003eVentura-Melt 3 kg 100 troy ounce gold capacity\u003c\/strong\u003e\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003e120 Volts, 12.27 Amps, 1350 Watts, 50\/60 Hertz, Single Phase\u003c\/p\u003e\u003cp\u003e240 Volts, 6.13 Amps, 1350 Watts, 50\/60 Hertz, Single Phase\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eSold with a limited factory warranty. \u003ci\u003eIn the event of a defect in material or workmanship, Ventura VCG SRL's liability is limited, at VCG Ventura ARL's option, to replacement of the defective product or part thereof, or reimbursement of the actual cost of the defective product.  In order to take advantage of this limited warranty, the defective product must be returned to VCG Ventura SRL.  In no event shall VCG Ventura SRL, or any of their dealers or agents, be liable for any indirect, incidental or consequential damages.\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e \u003c\/p\u003e\u003cp\u003e\u003ci style=\"color:#ff0000;\"\u003e\u003cstrong\u003eKerr closed their Jewelry Division as of the end of 2017 and the brand Kerr Electromelt has been retired. *There are no parts available for the previous 2 generations of Kerr Electro-Melts.  Only the crucibles are the same.  Only parts for the last generation Kerr Electro-Melts are available as Ventura-Melt parts.\u003c\/strong\u003e\u003c\/i\u003e\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"120V","offer_id":43619354935510,"sku":"122.336","price":1115.0,"currency_code":"USD","in_stock":true},{"title":"230V","offer_id":43619354968278,"sku":"122.336-230","price":1115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ventura-melt-100-ounce-electric-melting-furnaces-120v-or-230v-otto-frei-1.jpg?v=1719955566"},{"product_id":"ventura-melt-maxi-100oz-replacement-heating-element-120v-122-336","title":"Heating Element For Ventura-Melt Maxi 100 Oz Electric Melting Furnace 120V (122.336)","description":"\u003cp\u003eKeep your Ventura-Melt Maxi 100 oz Electric Melting Furnace running with this genuine replacement heating element. Designed specifically for the Ventura-Melt Maxi furnace operating on 120V, this element restores full melting performance when the original has worn out or failed.\u003c\/p\u003e\u003cp\u003eVentura-Melt heating elements are built for long service life, but can fail if the furnace is operated beyond its maximum rated temperature or run continuously at or near that limit. Proper operating habits will extend element life significantly.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGenuine replacement heating element for the Ventura-Melt Maxi 100 oz Electric Melting Furnace\u003c\/li\u003e\n\u003cli\u003eRated for 120V furnace models\u003c\/li\u003e\n\u003cli\u003eLong-lasting under normal operating conditions\u003c\/li\u003e\n\u003cli\u003eCompatible with Ventura-branded Electric Melting Furnaces and the last generation of Kerr-branded Electric Melting Furnaces (model number 35224) manufactured by Ventura Melt\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e122.336\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFurnace Capacity\u003c\/th\u003e\n\u003ctd\u003e100 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eNo warranty — heating elements are non-warranted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThese replacement heating elements are compatible \u003cem\u003eonly\u003c\/em\u003e with Ventura-branded Electric Melting Furnaces and the last generation of Kerr-branded Electric Melting Furnaces, model number 35224, which were manufactured by Ventura Melt. \u003cstrong\u003eNo parts are available for any other Kerr-branded Electro Melts other than the last-generation model number 35224.\u003c\/strong\u003e Verify your furnace model before ordering to ensure compatibility.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":44101941067990,"sku":"122.335","price":396.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heating-element-for-ventura-melt-maxi-100-oz-electric-melting-furnace-120v-122-336-otto-frei-1.jpg?v=1719954228"},{"product_id":"kerr-ceramic-heating-element-mf-1000-1kg-melting-furnace","title":"Ceramic Heating Element for MF-1000 1 Kg Melting Furnace","description":"\u003cp\u003eKeep your MF-1000 Electric Melting Furnace running at peak performance with this replacement ceramic heating element. Engineered specifically for the MF-1000 1 kg (30 troy ounces) melting furnace (Otto Frei part number 122.392), this element features high-temperature alloy heating wire paired with ceramic tube thermal insulation and anti-conduction construction—delivering reliable, consistent heat for gold, silver, and other metals in professional casting operations.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement ceramic heating element designed for the MF-1000 1 kg Electric Melting Furnace\u003c\/li\u003e\n\u003cli\u003eHigh-temperature alloy heating wire for durable, consistent performance\u003c\/li\u003e\n\u003cli\u003eCeramic tube construction provides thermal insulation and anti-conduction protection\u003c\/li\u003e\n\u003cli\u003eCompatible with 110V\/60Hz electrical supply\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnace\u003c\/th\u003e\n\u003ctd\u003eMF-1000 1 kg Electric Melting Furnace (part #122.392)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFurnace Capacity\u003c\/th\u003e\n\u003ctd\u003e1 kg \/ 30 troy ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating Wire\u003c\/th\u003e\n\u003ctd\u003eHigh-temperature alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation\u003c\/th\u003e\n\u003ctd\u003eCeramic tube thermal insulation with anti-conduction design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis heating element is a replacement part intended exclusively for the MF-1000 1 kg Electric Melting Furnace. Verify your furnace model and voltage requirements before ordering.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":44204307022038,"sku":"122.394","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ceramic-heating-element-for-mf-1000-1-kg-melting-furnace-otto-frei-1.jpg?v=1719954204"},{"product_id":"k-type-thermocouple-mf-1000-series-electric-melting-furnaces","title":"K Type Thermocouple for MF-1000 Series Electric Melting Furnaces","description":"\u003cp\u003eKeep your MF-1000 Series Electric Melting Furnace running at peak accuracy with this replacement K Type Thermocouple. Designed specifically for the MF-1000 line, this thermocouple offers a wide measuring range of 0°C – 1300°C, ensuring precise temperature monitoring throughout your melting cycles. Compatible with the 1 kg model (122.392) as well as the larger 2 kg and 3 kg models in the MF series.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement K Type Thermocouple engineered for MF-1000 Series Electric Melting Furnaces\u003c\/li\u003e\n\u003cli\u003eWide measuring range of 0°C – 1300°C for accurate temperature monitoring\u003c\/li\u003e\n\u003cli\u003eCompatible with the 1 kg MF-1000 model (122.392)\u003c\/li\u003e\n\u003cli\u003eAlso fits the larger 2 kg and 3 kg MF series models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eThermocouple Type\u003c\/th\u003e\n\u003ctd\u003eK Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring Range\u003c\/th\u003e\n\u003ctd\u003e0°C – 1300°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnace Series\u003c\/th\u003e\n\u003ctd\u003eMF-1000 Series Electric Melting Furnaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eThis thermocouple is compatible with the following MF-1000 Series Electric Melting Furnaces:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 kg MF-1000 model (item 122.392)\u003c\/li\u003e\n\u003cli\u003e2 kg MF series models\u003c\/li\u003e\n\u003cli\u003e3 kg MF series models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":44204307054806,"sku":"122.395","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/k-type-thermocouple-for-mf-1000-series-electric-melting-furnaces-otto-frei-1.jpg?v=1719954204"},{"product_id":"kerr-ceramic-flange-mf-1000-1kg-electric-melting-furnace","title":"Ceramic Flange for MF-1000 1Kg Electric Melting Furnace","description":"\u003cp\u003eKeep your MF-1000 1 Kg Electric Melting Furnace running at full capacity with this genuine replacement ceramic flange. Designed to seat at the top of the furnace, this flange withstands the extreme heat demands of professional casting operations, rated to temperatures up to 2102°F. A direct replacement for the MF-1000 (item 122.392), this flange also fits 2 Kg machines of the same MF series, though that model is not imported by Otto Frei.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePurpose-built replacement ceramic flange for the MF-1000 1 Kg Electric Melting Furnace\u003c\/li\u003e\n\u003cli\u003eSeats at the top of the furnace for a secure, heat-resistant fit\u003c\/li\u003e\n\u003cli\u003eRated to withstand temperatures up to 2102°F\u003c\/li\u003e\n\u003cli\u003eCompatible with 2 Kg MF-series machines (not imported)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnace\u003c\/th\u003e\n\u003ctd\u003eMF-1000 1 Kg Electric Melting Furnace (item 122.392)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Temperature Rating\u003c\/th\u003e\n\u003ctd\u003e2102°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePosition\u003c\/th\u003e\n\u003ctd\u003eTop flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis flange will also fit MF-series 2 Kg melting furnaces; however, that model is not imported by Otto Frei. Verify your furnace model before ordering to ensure proper fit.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":44204307087574,"sku":"122.396","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ceramic-flange-for-mf-1000-1kg-electric-melting-furnace-otto-frei-1.jpg?v=1719954204"},{"product_id":"heating-element-ventura-melt-maxi-30oz-electric-melting-furnace-120v-122-333","title":"Heating Element Only For Ventura-Melt Maxi 30 Oz Electric Melting Furnace 120V (122.333)","description":"\u003cp\u003eKeep your Ventura-Melt Maxi 30 oz Electric Melting Furnace running with this direct replacement heating element. Designed specifically for the Ventura-Melt Maxi furnace operating on 120V, this element restores full melting performance when your original element reaches the end of its service life.\u003c\/p\u003e\u003cp\u003eVentura-Melt heating elements are built for longevity under normal operating conditions, but element failure can occur if the maximum temperature is exceeded or through sustained use at or near maximum temperature. Replacing a failed element promptly helps protect the furnace and maintain consistent, reliable melting cycles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Heating elements carry no warranty.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement heating element for the Ventura-Melt Maxi 30 oz Electric Melting Furnace (120V)\u003c\/li\u003e\n\u003cli\u003eCompatible with Ventura-branded Electric Melting Furnaces and the last generation of Kerr-branded Electric Melting Furnaces, model number 35222, manufactured by Ventura Melt\u003c\/li\u003e\n\u003cli\u003eRestores full heating performance when original element has failed\u003c\/li\u003e\n\u003cli\u003eLong-lasting under normal operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e122.333\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e120V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Furnace Capacity\u003c\/th\u003e\n\u003ctd\u003e30 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eNo warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThese replacement heating elements are only for Ventura-branded Electric Melting Furnaces and the last generation of Kerr-branded Electric Melting Furnaces (model number 35222) that were manufactured by Ventura Melt. Verify your furnace model before ordering. Element lifespan may be shortened by operating at or near maximum temperature for extended periods or by exceeding the maximum rated temperature.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":44549587075286,"sku":"122.332","price":323.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heating-element-only-for-ventura-melt-maxi-30-oz-electric-melting-furnace-120v-122-333-otto-frei-1.jpg?v=1719954121"},{"product_id":"used-open-box-ventura-melt-maxi-100-oz-electric-melting-furnace-120v","title":"Used Open-Box Ventura-Melt Maxi 100 Oz Electric Melting Furnace 120V","description":"\u003cp\u003e\u003cstrong\u003eUsed Open-Box Unit — Only 1 Available.\u003c\/strong\u003e This is a customer return with small cracks in the inner chamber top, likely from shipping. The furnace has not been used, but it is being sold as used due to these cracks. \u003cstrong\u003ePlease review the last two product images carefully before purchasing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFormerly branded as the Kerr Electro-Melt, this large-capacity electric melting furnace is now produced under the \u003cstrong\u003eVentura-Melt\u003c\/strong\u003e name — the same machine, same Italian manufacturing, and fully interchangeable parts. The Ventura-Melt Maxi represents the final and most reliable generation of this proven furnace design. Otto Frei sold hundreds of the equivalent Kerr Maxi Electro-Melts and received zero requests for spare parts, a testament to their durability.\u003c\/p\u003e\n\u003cp\u003eThis is the \u003cstrong\u003e3 kilogram (100 troy ounce) gold capacity \"Maxi\" model\u003c\/strong\u003e, equivalent to the Kerr Electro-Melt model 35224 in 120V. All components are interchangeable with that last-generation Italian-made Kerr unit. The furnace features \u003cstrong\u003edigital controls with a built-in programmer\u003c\/strong\u003e, allowing precise temperature settings for consistent, repeatable melts — a significant upgrade over earlier manual hi-low controls that required constant monitoring. When used properly, the automatic controls extend element life and make this furnace well-suited for production casting or refining operations.\u003c\/p\u003e\n\u003cp\u003eThe Ventura-Melt Maxi reaches \u003cstrong\u003e982°C \/ 1800°F in just 31 minutes\u003c\/strong\u003e and tops out at a maximum of 1100°C \/ 2012°F. Gold capacity is 3100 g \/ 100 troy oz.; silver capacity is 2600 g \/ 83 troy oz.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDigital programmer for precise, repeatable temperature control\u003c\/li\u003e\n\u003cli\u003eReaches 982°C \/ 1800°F in 31 minutes\u003c\/li\u003e\n\u003cli\u003e3100 g \/ 100 troy oz. gold capacity; 2600 g \/ 83 troy oz. silver capacity\u003c\/li\u003e\n\u003cli\u003eMaximum temperature: 1100°C \/ 2012°F\u003c\/li\u003e\n\u003cli\u003eParts fully interchangeable with last-generation Italian-made Kerr Electro-Melt (model 35224, 120V)\u003c\/li\u003e\n\u003cli\u003eAutomatic controls extend element life — ideal for production casting and refining\u003c\/li\u003e\n\u003cli\u003eManufactured in Italy\u003c\/li\u003e\n\u003cli\u003eSold as used open-box; unit shows cosmetic cracking in the inner chamber top\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKerr closed its Jewelry Division at the end of 2017; the Kerr Electro-Melt brand has been retired.\u003c\/li\u003e\n\u003cli\u003eParts are available \u003cem\u003eonly\u003c\/em\u003e for the last-generation Italian-made Kerr Electro-Melt \/ Ventura-Melt. No parts exist for the two earlier generations of Kerr Electro-Melts — only the crucibles are shared across generations.\u003c\/li\u003e\n\u003cli\u003eThis is a single, one-of-a-kind closeout unit. All sales are final.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":46291876741334,"sku":"999.122336","price":990.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/999.122336NEW_thumb_64a72c54-eae1-4cbc-9911-b81456eea7e3.jpg?v=1785278821"},{"product_id":"ceramic-inside-lid-30oz-electromelt-122-333","title":"Ceramic Inside Lid for 30 Oz. ElectroMelt (122.333)","description":"\u003cp\u003eThe Ceramic Inside Lid for the 30 oz. ElectroMelt is a purpose-built replacement component designed to fit the 30 oz. ElectroMelt crucible unit (model 122.333). Maintaining the integrity of your ElectroMelt setup is essential for consistent, reliable metal melting results, and having the correct ceramic lid on hand ensures your equipment stays operational with minimal downtime.\u003c\/p\u003e\u003cp\u003eCeramic construction provides the heat resistance required for demanding casting and melting applications. Whether you are replacing a worn or damaged lid or stocking a spare for your bench, this component is a direct fit for the specified ElectroMelt model.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement ceramic inside lid for the 30 oz. ElectroMelt unit\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for model 122.333\u003c\/li\u003e\n\u003cli\u003eHeat-resistant ceramic construction suited for metal melting applications\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper heat retention and crucible performance\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement to minimize downtime in casting workflows\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Model\u003c\/th\u003e\n\u003ctd\u003eElectroMelt 30 oz. (122.333)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent Type\u003c\/th\u003e\n\u003ctd\u003eInside Lid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis lid is designed exclusively for the 30 oz. ElectroMelt unit (122.333). Verify your ElectroMelt model number before ordering to ensure correct fitment.\u003c\/p\u003e","brand":"Kerr","offers":[{"title":"Default Title","offer_id":47326551965910,"sku":"122.331","price":47.0,"currency_code":"USD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/kerr-logo.png?v=1785891394","url":"https:\/\/www.ottofrei.com\/ja\/collections\/kerr-ventura-melt-melting-furnaces.oembed","provider":"Otto Frei","version":"1.0","type":"link"}