Drayton TRV4 1/2” Straight Valve Body & TRV Sensor Head - 07 05 156 - 0705156
Slimline and modern, the TRV4 incorporates a double gland seal and non-stick, pre-set internals, a useful feature designed to allow for balancing the radiator through the TRV. Non-stick TRV valve with pre-setting.