Radiator Valve Uses

Two quite different types of valve are now fitted to the modern radiators that feed a central heating system. The first valve is fitted to control the volume of water that runs through its frame. A Shoreditch Plumber is a trained professional.
On the older type of radiators this was a manual control valve but has now become an automatic one and known as a TRV (thermostatic radiator valve). Thermostatic radiator valves are designed so the they can automatically close to stop the water feeding the radiator when a set temperature for that particular room occurs. This creates great heat and fuel efficiency. The second valve is called a lock-shield valve and can’t be adjusted like the first because its job is different. This lock valve is located at the bottom corner of radiator opposite to the TRV.

It controls the volume of water that flows through the radiator. You might say that tis is the same as a manual valve, but, it is pre-set with a spanner upon installation when the system is balanced. It has a white plastic domed cap. Many years ago the installer decided if the system radiators got a manual or thermostatic radiator valve, however, the current building regulations now say that TRV's are to be fitted. A manual valve can be fitted to a radiator but only in a room in which has a thermostat. Shoreditch Plumbers can fit TRVs. Balancing a central heating system is done to guarantee that the first radiator in the heating circuit will not take all the hot water from the boiler, because it is the nearest. The lock shield valve should be partly closed. Having this valve in this state (usually half a turn) the water has to continue along the heating circuit to the next radiator. So all the radiator lock shield valves are adjusted in a similar way to force the water to evenly flow throughout the whole system. The heating system is then said to be in balance.

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Radiator Valve Uses