{"product_id":"heating-element-ktx-1-controller-black","title":"Heating Element KTX-1 Controller, 2 heat settings (50%\/100% of power), no timer, BLACK","description":"\u003cp style=\"margin-bottom: 30px;\"\u003eHere at the heat is on, 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\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 KTX-1 is a detachable controller which powers the TS1 probe (sold separately), forming a complete and reliable heating element, allowing easy maintenance and replacement of the probe without removing the entire unit.\u003c\/li\u003e\n\u003cli\u003eThe wattage output depends on the power rating of the probe purchased, allowing flexibility to suit different radiator sizes.\u003c\/li\u003e\n\u003cli\u003eProvides 2 heat settings which is controlled by 50% or 100% power - so this is a very entry level element where power controls the temperature here and not an actual thermostat reading actual temperature.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo timer functionality.\u003c\/li\u003e\n\u003cli\u003eFor more advances features see the KTX-2, KTX-3, KTX-4 and KTX-4 BLUE controllers.\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\u003eCompact dimensions: 86mm length from thread down.\u003c\/li\u003e\n\u003cli\u003eInternal probe lengths vary by wattage — see the diagram in the image gallery.\u003c\/li\u003e\n\u003cli\u003eIPx4 rated, making it safe for use in bathroom environments.\u003c\/li\u003e\n\u003cli\u003eClass 1 device meeting electrical safety requirements.\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 safe and effective performance.\u003c\/li\u003e\n\u003cli\u003eSelect an element with a wattage as close as possible to the radiator’s central heating (hydronic) output measured in watts.\u003c\/li\u003e\n\u003cli\u003eIf the output is listed only in BTUs, convert using the formula: BTUs ÷ 3.41 = Watts.\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.\u003c\/li\u003e\n\u003cli\u003eWhen fitting, use a spanner around the metal neck of the element and turn it in carefully. Do not apply force to the plastic head, as this can crack the element.\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 vary between models.\u003c\/li\u003e\n\u003cli\u003eInstalling a heating element in an unsuitable radiator may result in poor performance or failure, which will not be a 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 can gradually build up inside the system, which may cause overheating if the element operates without sufficient water circulation.\u003c\/li\u003e\n\u003cli\u003eA heating element must never be operated dry, as this can cause excessive surface temperatures and damage towels or clothing.\u003c\/li\u003e\n\u003cli\u003eThis works on the same principle as a kettle — never run it without water inside.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"tio-section-title\"\u003estandard option vs. masking option\u003c\/h3\u003e\n\u003cul style=\"margin-bottom: 30px;\"\u003e\n\u003cli\u003eYou can choose to buy this element with or without the masking cover on the rear.\u003c\/li\u003e\n\u003cli\u003eThe masking cover conceals the wire up to the entry point into the wall, providing a neater, tidier appearance.\u003c\/li\u003e\n\u003cli\u003eImportant note: Masking requires the wall to be trowelled out; if walls or tiles are already finished, the standard (non-masking) option is recommended.\u003c\/li\u003e\n\u003cli\u003eMasking length varies between 52mm and 65mm according to technical drawings.\u003c\/li\u003e\n\u003cli\u003eThe control head adds 42mm depth in front of the masking.\u003c\/li\u003e\n\u003cli\u003eThis means the radiator’s “wall to centre of inlet” figure must be between 93mm (52+41) and 108mm (66+41) for the masking cover to fit.\u003c\/li\u003e\n\u003cli\u003eIf the entry point is deeper than this range, the masking cover cannot be fitted.\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\u003eBacked by a 2-year manufacturer’s warranty for added reassurance and peace of mind.\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 replace the heating probe (TS1) part of this element while the controller can continue to be used, making it a cost-effective long-term solution.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Terma","offers":[{"title":"Standard","offer_id":52880817652049,"sku":"WEKT1-K905P","price":21.0,"currency_code":"GBP","in_stock":true},{"title":"With Masking","offer_id":52880851698001,"sku":"WEKT1-K905M","price":29.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0906\/4949\/3841\/files\/08_heating-element-ktx-1-controller-black.jpg?v=1769193446","url":"https:\/\/www.theheatison.uk\/products\/heating-element-ktx-1-controller-black","provider":"the heat is on","version":"1.0","type":"link"}