{"product_id":"heating-element-sim-1500w","title":"Heating Element SIM, 150w to 1500w, Fixed Internal Temp (65 deg.), Stainless Steel with Grey Cable Cable","description":"\u003cp style=\"margin-bottom: 30px;\"\u003eHere at \u003cstrong\u003ethe heat is on\u003c\/strong\u003e, we put the knowledge of what you need directly in your hands as the homeowner, so you needn’t ask or wait for information from your electrician. Here we give you complete expert guidance for this specific heating element — so you can source all parts needed to ensure a smooth and successful installation of your electric \/ dual fuel towel rail or radiator when your tradesman arrives.\u003c\/p\u003e\n\u003ch3 class=\"tio-section-title\"\u003ewhat is a heating element?\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eA heating element is used as the heat source in an electric towel rail or radiator.\u003c\/li\u003e\n\u003cli\u003eIt works by heating the water or oil inside the radiator, in the same way an element heats water inside a kettle.\u003c\/li\u003e\n\u003cli\u003eWe have a full guide on heating elements if you want to learn even more — \u003ca href=\"https:\/\/www.theheatison.uk\/pages\/technical-advice-heating-elements\"\u003eclick here to read the dedicated guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003etemperature control \u0026amp; operation\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eThe Terma SIM element operates at one fixed internal temperature of 65 °C.\u003c\/li\u003e\n\u003cli\u003eThe element thermostatically regulates itself to maintain this operating temperature.\u003c\/li\u003e\n\u003cli\u003eNo timer is built into the element itself; however, it is compatible with an external timer.\u003c\/li\u003e\n\u003cli\u003eThere is no power button on the element — operation is controlled via a switch fused spur.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003eelement specifics\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eStraight cable supplied, no plug.\u003c\/li\u003e\n\u003cli\u003e26 mm length measured from the thread down.\u003c\/li\u003e\n\u003cli\u003e750 mm internal probe length.\u003c\/li\u003e\n\u003cli\u003eIP67 rated — safe for use in bathrooms.\u003c\/li\u003e\n\u003cli\u003eClass 1 electrical rating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003ewattage selection advice\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eChoosing the correct wattage heating element is essential for effective and safe performance.\u003c\/li\u003e\n\u003cli\u003eAs a general rule, select an element with a wattage as close as possible to the radiator or towel rail’s central heating (hydronic) output measured in watts.\u003c\/li\u003e\n\u003cli\u003eIf the heat output of your chosen radiator is listed in BTUs, you can convert this using the formula: BTUs ÷ 3.41 = Watts.\u003c\/li\u003e\n\u003cli\u003eSelecting a closely matched wattage helps ensure even heat distribution without overheating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003einstallation\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eFull installation instructions are provided in the accompanying manual, but here are some useful notes before fitting.\u003c\/li\u003e\n\u003cli\u003eNever switch on the element in open air — it must be submerged in the heating medium to operate safely. The element has a safety cut-out if it runs dry, so your tradesman should not test it by powering it on before installation.\u003c\/li\u003e\n\u003cli\u003eThe supplied cable is 1.5 metres long and can be extended (daisy chained only) or cut to length as needed.\u003c\/li\u003e\n\u003cli\u003eElements that have been fitted cannot be accepted for change-of-mind returns.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNote: The cable masking unit at the rear of the element is not supplied and needs to be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003eelectrification advice\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eBefore electrifying any towel rail or radiator, confirm that the chosen model is suitable for use with a heating element.\u003c\/li\u003e\n\u003cli\u003eNot all towel rails or radiators are compatible, as internal design and heat circulation affect performance.\u003c\/li\u003e\n\u003cli\u003eInstalling a heating element in an unsuitable radiator may result in failure, which will not be the fault of the element.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003edual fuel advice\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eWhen using this element as part of a dual fuel setup (electric in summer, central heating in winter), the towel rail should be bled regularly.\u003c\/li\u003e\n\u003cli\u003eAir build-up inside the system can cause overheating or damage if the element runs without water circulation.\u003c\/li\u003e\n\u003cli\u003eThe element should never be operated “dry,” as this can cause excessive surface temperatures and damage towels.\u003c\/li\u003e\n\u003cli\u003eTreat it as you would a kettle — never run it without water inside.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003eguarantee \u0026amp; replacement\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003e2-year manufacturer’s warranty.\u003c\/li\u003e\n\u003cli\u003eUsual lifespan of a heating element is 4 to 7 years depending on use.\u003c\/li\u003e\n\u003cli\u003eAt end of life, you can simply unscrew and replace the SIM heating element as it is one complete unit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Terma","offers":[{"title":"150w","offer_id":51334787006801,"sku":"WESIM51-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"200w","offer_id":51334787039569,"sku":"WESIM02-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"300w","offer_id":51334787072337,"sku":"WESIM03-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"400w","offer_id":51334787105105,"sku":"WESIM04-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"500w","offer_id":51334787137873,"sku":"WESIM05-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"600w","offer_id":51334787170641,"sku":"WESIM06-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"800w","offer_id":51334787203409,"sku":"WESIM08-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"1000w","offer_id":51334787236177,"sku":"WESIM10-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"1200w","offer_id":51334787268945,"sku":"WESIM12-FINSP","price":36.0,"currency_code":"GBP","in_stock":true},{"title":"1500w","offer_id":51334787301713,"sku":"WESIM15-FINSP","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/4949\/3841\/files\/07_Heating-Element-SIM_-150w-to-1500w_-Fixed-Internal-Temp-_65-deg._-Stainless-Steel-with-Grey-Cable.jpg?v=1752154816","url":"https:\/\/www.theheatison.uk\/products\/heating-element-sim-1500w","provider":"the heat is on","version":"1.0","type":"link"}