6 Drayton Wiser thermostatic radiator valve heads (TRVs) all working fine and sold as a job lot. Batteries not included. Drayton Wiser hub not included. IMPORTANT: These TRV heads come ONLY with adaptors to fit M30 x 1.5mm radiator valves - as shown in photo. They DO NOT come with the Danfoss RA valve adaptors. If you need those, you'll have to buy them separately.
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