Wireless controlled TRVs provide the facility, through two-way communication via a controller, to regulate the flow of water through a radiator by opening valves when necessary while maintaining boiler interlock.

The HR92 radiator controller uses two-way communication with the evohome controller to ensure that commands are received and valves opened while maintaining boiler interlock. These slim, ergonomically-designed radiator controllers will fit on most standard TRV bodies. They are battery powered with a two-year battery...
The evohome radiator multi-zone kit provides 4 wireless radiator controller heads allowing you to create up to 4 zones – one head per zone. Individual radiator controllers are also available.   The HR92 radiator controllers use two-way communication with the evohome controller to ensure that...
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