{"product_id":"12kw-immersion-heater-single-three-phase","title":"12kW Immersion Heater – Single \u0026 Three Phase","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThis 12kW immersion heater provides industrial liquid heating for tanks, vessels and process systems, with compatibility for \u003cstrong\u003e230V single-phase or 400V three-phase supplies\u003c\/strong\u003e when connected in accordance with the manufacturer's instructions.\u003c\/p\u003e\n\u003cp\u003eA G1½\" stainless steel threaded fitting and Incoloy 800 heating elements provide a robust construction for demanding heating applications. The 850mm immersion depth suits deep tanks and vessels, while the integrated pilot light provides a visible operating indication.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePower output: 12kW, comprising 3 × 4000W heating elements.\u003c\/li\u003e\n\u003cli\u003eSupply: 230V single phase \/ 400V three phase.\u003c\/li\u003e\n\u003cli\u003eImmersion depth: 850mm.\u003c\/li\u003e\n\u003cli\u003eThread connection: G1½\" stainless steel.\u003c\/li\u003e\n\u003cli\u003eElement material: Incoloy 800, resistant to oxidation and scaling.\u003c\/li\u003e\n\u003cli\u003eTemperature control: three-pole combination thermostats, 30–70°C.\u003c\/li\u003e\n\u003cli\u003eTerminal box: 100 × 100mm plastic enclosure, IP45 rated.\u003c\/li\u003e\n\u003cli\u003eIntegrated pilot light.\u003c\/li\u003e\n\u003cli\u003eCable entry: M20 × 1.5 cable gland.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTypical Applications\u003c\/h4\u003e\n\u003cp\u003eSuitable for industrial process tanks, buffer vessels, calorifiers, water treatment systems, IBC containers and deep storage vessels. Chemical and wash-tank applications require confirmation that the liquid is compatible with the heater materials.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInstallation and connection must be carried out by a qualified electrician following the manufacturer's wiring instructions.\u003c\/li\u003e\n\u003cli\u003eThe electrician must confirm the connection arrangement, neutral requirements, cable sizing, switching and circuit protection for the selected supply and full 12kW load. Do not assume that cabling specified for the separate 230V three-phase model is suitable for this version.\u003c\/li\u003e\n\u003cli\u003eConfirm the supplied cable specification before installation.\u003c\/li\u003e\n\u003cli\u003eFully submerge the heating elements before energising.\u003c\/li\u003e\n\u003cli\u003eCombination thermostats provide operational control and safety cut-out features.\u003c\/li\u003e\n\u003cli\u003eCheck fluid compatibility with Incoloy 800 before use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse our \u003ca href=\"https:\/\/www.undercontrol.co.uk\/pages\/useful-energy-calculators?view=useful-energy-calculators\" title=\"Energy Calculators for Water Vessels\"\u003eliquid heating energy calculators\u003c\/a\u003e to help assess your heating requirements.\u003c\/p\u003e","brand":"Under Control Instruments","offers":[{"title":"Default Title","offer_id":56556666847611,"sku":"9STTBDU4A20CKG0Q","price":160.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/5796\/6882\/files\/immersion_heater_new.jpg?v=1771952690","url":"https:\/\/www.undercontrol.co.uk\/products\/12kw-immersion-heater-single-three-phase","provider":"Under Control Instruments ","version":"1.0","type":"link"}