A motorised valve is a central heating system component which controls whether hot water from the boiler is used to heat the radiators, or the water in the hot water cylinder for the taps. It is usually found adjacent to … Continue reading →

A lockshield or a lockshield valve is a type of radiator valve. It connects a radiator to the return pipe to the boiler. It is one of two valves normally found on radiators, the other being the TRV (thermostatic radiator valve). A lockshield … Continue reading →