Herz – QTRV001 – 15mm External TRV for LST 1926063

Herz TRV QTRV001 1926063

Thermostatic radiator valves are commonly referred to as TRVs and are used to control the air temperature of different rooms – you will normally find them on the side of your radiators. TRVs are just one of a number of heating controls, which allow homeowners to heat their homes more efficiently

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