Used hive smart heating thermostatic radiator valves (TRV) with it attached to the head and cannot be easily removed SEE PICTURES FOR THE ADAPTER TYPE PRICE IS FOR ONE HEAD Turns on and connects to my hub, may need resetting to connect to yours. FOLLOW HIVE APP INSTRUCTIONS FOR INSTALLING ONTO YOUR SYSTEM. ensure valve is in mounting mode, is close to the hub and your phone/ tablet before installation. I find it best to connect valve to app before attaching to radiator. Batteries not included. As this is used there may be minor marks on them but this does not affect the operation. Please see pictures as they form part of the description
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