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DRAYTON TRV4 15mm x 1/2" IS THE LAST VARIATION IN THE LISTING. The elegance thermostatic radiator valve is with a thermostatic head and reversible bi-directional body in angled or straight.
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About Drayton TRV4

Drayton have been the leading producers for radiators since 1964. All products are CEN EN215 standard, and they are often the installer's first choice. The Drayton TRV4 Reverse Flow Thermostatic Radiator Valve has a 1/2" connector and comes in 10MM and 15MM olive compression for fitting to pipework. This easy to fit radiator valve is designed not to stick, with the internals of the valve being specially formulated to combat limescale; the primary source of sticking problems. This valve has a double gland seal to prevent leaking and a top seal for removal with no need for system draining. It is efficient and easy to set and features frost protection, click stop settings and half settings for difficult to see numbers. It reacts fast to temperature change with its specially featured, liquid filled head which gives it maximum sensitivity. Its temperature range is 10 degrees C to 30 degrees and suits most domestic and commercial applications. The reverse flow feature allows instillation on flow or return and there is a choice of whether the head is vertical or horizontal and the head to body fixing makes adjustments easy. There are a range of adaptors available for plastic or multi layer piping, and it's contemporary design would look fitting in any environment for practicality and style. It is easy to clean with no nooks and crannies where dirt and dust gets easily trapped. It also comes in a choice of body types, sizes and comes in chrome or gold to suit any decor.