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Drayton are part of Schneider Electric, a global specialist in energy management and operation in over 100 countries. Drayton is one of the UK’s leading brands in the domestic heating market. Their products are manufactured in Plymouth, for the UK, and have an excellent reputation for reliability and quality.
The Drayton Invensys TRV4 has been designed to provide years of trouble-free service. Valve internals are made from a specially formulated material which prevents a build-up of lime scale which can cause TRVs to stick. All Drayton two pipe bodies come with pre-setting internals as standard, making system balancing far simpler and more accurate. The 15mm angle TRV4 bodies feature reverse flow capability enabling installation on the flow or return, with the head either vertical or horizontal. It also has a double gland seal to protect against water leakage with a top seal that allows removal without draining down the system.
With its easy-to-set range limiting function and a positive head to body fixing that is infinitely adjustable, the TRV4 is easy to fit and simple to use. Its proven liquid filled chrome head provides optimum sensitivity.
TRVs sense the air temperature around them and regulate the flow of water through the radiator which they are fitted to. Turning a TRV to a higher setting will not make the room heat up any faster. How quickly the room heats up depends on the boiler size and setting, and the radiator size. Turning a TRV to a lower setting will result in the room being controlled at a lower temperature, and saves energy. TRVs need a free flow of air to sense the temperature, so they must not be covered by curtains or blocked by furniture.
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