This radiator thermostat is only designed to work alongside an existing Wiser Smart Heating System with a Wiser Heat Hub. Replace your existing radiator TRV valves to give room-by-room heating control.
Simply screw off/on existing TRV radiator valves and replace with Wiser smart thermostats to expand your current system. Works with 90% of existing valves. An adaptor to fit the Danfoss RA valve is included in every box.
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