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Choosing and Fitting Radiator Valves

Our selection of Thermostatic Valves

 

Choosing Valves

Thermostatically Controlled (TRV) OR MANUAL

Manual valves are adjusted by hand; they will allow a constant flow of water through your radiator regardless of the room temperature. Radiators will only turn off when the main thermostat reaches its set point, or the programmer turns the heating off. Systems may have at least two manual valves included, acting as a bypass for the system (usually a towel rail) and one in the same area as the main thermostat so they do not conflict with each other.

Thermostatic Radiator Valves (TRVs) monitor the ambient room temperature with a built in thermostat. They usually have between 4 and 6 set levels, which you can select and the valve then opens and closes automatically to reach and maintain the desired level. If one room reaches the set temperature, the radiator will effectively turn off whilst others continue to operate. TRVs can help maximise the efficiency of your system reducing energy consumption. They are now a requirement as part of building regulations relating to new builds and refurbishments.


WHEELHEAD & LOCKSHIELD

Our Selection of Manual Valves

Radiators require two valves that work together as a pair. The Wheel Head is used to adjust the flow of water into each radiator and the Lockshield maintains a balanced flow of water around the whole system, ensuring each radiator receives the correct rate of flow in order to heat up; these will be adjusted by your installer when balancing your system. All our valves are priced as pairs.

DUAL APPLICATION KITS (Dual Fuel)

Some of our towel rails can be installed with a dual application kit, which allows the towel rail to function on the both the central heating system and the electric system. Your installer will need to be aware if you wish to convert your towel rail for dual application to ensure pipe centres are adjusted accordingly.

PIPE CENTRES

The location of the pipe work for your radiator will be affected by the size of valves you select. All angled valves have a dimension shown to allow for adjusting pipe work. If you are planning to fix pipe work before receiving your radiators you should make adequate allowances for manufacturing tolerances in pipe centres. If you are using straight valves, a minimum of 150mm should be allowed from the base of the radiator for ease of installation. Please Note: we endeavour to ensure all pipe centres are correct, however manufacturing tolerances must be considered; therefore we strongly recommend that pipe work is not altered or adjusted until the new radiator or towel rail is fitted. We will not accept any responsibility for claims resulting from incorrect pipe centres.

The choice of which format of valve to use will depend on the location of your pipe work and the position of the collectors on the radiator:

A) Angled from wall

B) Angled from floor

C) Straight from floor

If you are planning to move your radiators or change from horizontal to vertical, you should discuss the amount of work involved with your installer and plan how to keep exposed pipe work to a minimum.

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