{"product_id":"thermosphere-dual-control-relay","title":"ThermoSphere Dual Control Smart Thermostat","description":"\u003cp\u003eThe ThermoSphere Dual Control is a smart touchscreen thermostat that controls electric underfloor heating and a towel rail or mirror demister from the same unit, switching both loads independently through two separate relay outputs.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmart touchscreen thermostat controls two separate heating loads from one unit\u003c\/li\u003e\n\u003cli\u003ePrimary relay rated 16A (3600W) for underfloor heating; secondary relay rated 5A (1125W) for a towel rail or mirror demister\u003c\/li\u003e\n\u003cli\u003eMaximum combined load of 20A (4600W)\u003c\/li\u003e\n\u003cli\u003eInstall in landscape or portrait orientation, with a choice of eight coloured backgrounds\u003c\/li\u003e\n\u003cli\u003eSmart adaptive start learns how long your floor takes to heat up to reduce energy consumption\u003c\/li\u003e\n\u003cli\u003eOpen window sensor automatically switches off heating if a door or window is opened\u003c\/li\u003e\n\u003cli\u003eBuilt-in ambient temperature sensor plus an external floor temperature sensor\u003c\/li\u003e\n\u003cli\u003eAvailable in white (DC-W-01) or black (DC-B-01)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eIdeal for bathrooms, ensuites and wetrooms where underfloor heating and a heated towel rail or mirror demister need to be controlled together from a single wall-mounted thermostat, reducing the number of controls on the wall.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Features\u003c\/h3\u003e\n\u003cp\u003eThe touchscreen display shows current and target temperature, with landscape or portrait mounting and eight background colours to suit the room. Adaptive start learning and the open window sensor work together to reduce running costs without compromising comfort.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eCompatible with the full ThermoSphere underfloor heating cable, mesh and foil ranges via the primary relay, plus a compatible towel rail or mirror demister on the secondary output. Fits a standard 45mm deep back box.\u003c\/p\u003e\n\u003cp\u003eSupplied by Millcot as part of our full ThermoSphere underfloor heating range.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply voltage: 230\/240V, 50\/60Hz\u003c\/li\u003e\n\u003cli\u003ePrimary relay: 16A (3600W)\u003c\/li\u003e\n\u003cli\u003eSecondary relay: 5A (1125W)\u003c\/li\u003e\n\u003cli\u003eMax combined load: 20A (4600W)\u003c\/li\u003e\n\u003cli\u003eTemperature range: 5–35°C\u003c\/li\u003e\n\u003cli\u003eSize: W129 x H88 x D48mm\u003c\/li\u003e\n\u003cli\u003eProtection rating: IP30\u003c\/li\u003e\n\u003cli\u003eMounting: 45mm deep back box\u003c\/li\u003e\n\u003cli\u003eSensor rating: NTC 10kΩ @ 25°C\u003c\/li\u003e\n\u003cli\u003eWarranty: 3 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ThermoSphere Dual Control thermostat\u003c\/li\u003e\n\u003cli\u003e1 x Installation guide\u003c\/li\u003e\n\u003cli\u003e1 x 3m floor temperature sensor probe\u003c\/li\u003e\n\u003cli\u003e1 x 2m sensor conduit\u003c\/li\u003e\n\u003cli\u003e2 x Fixing screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/ThermoSphere_Heating_Control_Dual_Control_White_DC-W-01_Data_Sheet.pdf?v=1786545184\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Dual Control Data Sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/ThermoSphere_Dual_Control_DC-W-01_DC-B-01_Installation_and_User_Guide.pdf?v=1786545184\" target=\"_blank\" rel=\"noopener\"\u003eThermoSphere Dual Control Installation and User Guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan this control underfloor heating and a towel rail at the same time?\u003c\/strong\u003e\u003cbr\u003eYes, the primary relay (16A) is designed for underfloor heating while the secondary relay (5A) controls a towel rail or mirror demister independently, both from the same thermostat.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the maximum load it can handle?\u003c\/strong\u003e\u003cbr\u003eThe maximum combined load across both relays is 20A (4600W) — the primary relay is rated 16A (3600W) and the secondary relay 5A (1125W), so check your circuit design doesn't exceed either individually.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I mount it in portrait as well as landscape?\u003c\/strong\u003e\u003cbr\u003eYes, the thermostat can be installed in either landscape or portrait orientation, with a choice of eight background colours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's included in the box?\u003c\/strong\u003e\u003cbr\u003eThe thermostat, an installation guide, a 3m floor temperature sensor probe, a 2m sensor conduit and 2 fixing screws.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need a deep back box?\u003c\/strong\u003e\u003cbr\u003eYes, it requires a standard 45mm deep back box for mounting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShould this be installed by a qualified electrician?\u003c\/strong\u003e\u003cbr\u003eYes, as with all mains electrical heating controls, installation should be carried out by a qualified electrician in line with UK wiring regulations.\u003c\/p\u003e","brand":"ThermoSphere","offers":[{"title":"White","offer_id":58162686493055,"sku":"DC-W-01","price":167.99,"currency_code":"GBP","in_stock":true},{"title":"Black","offer_id":58162686525823,"sku":"DC-B-01","price":162.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0621\/5794\/7096\/files\/a81e7ad8-ebab-465b-ba1c-ec77b19e0f5f.jpg?v=1786547701","url":"https:\/\/www.millcot.com\/products\/thermosphere-dual-control-relay","provider":"MILLCOT","version":"1.0","type":"link"}