• Head only: this is the sensing head on its own, so the valve body already fitted to your radiator pipework stays exactly where it is
• Genuine Drayton part: the TRV4 Classic head, part number 07 25 006, made in the UK and supplied in Drayton's own retail box as pictured
• Frost setting through to maximum: the dial is marked with a frost symbol, then numbered settings up to 5 and MAX, so a room can be set or left protected
• Chrome and white finish: a chrome cap and collar over a white body, the standard TRV4 Classic look, so a single replacement still matches the rest of the house
• Straight swap for a worn head: unscrew the chrome collar at the base of the old head and fit this one, no need to touch the pipework itself

Drayton TRV4 Classic Sensing Head 07 25 006 - Chrome and White (head only)

This is the TRV4 Classic sensing head on its own, the part you turn. It is supplied without a valve body, so the body already fitted to your radiator pipework stays exactly where it is.

If the head on a radiator has stopped controlling the temperature, stiffened up or been damaged, it is almost always the head that has failed rather than the valve underneath it. Replacing just the head is a far smaller job than replacing a whole valve.

The dial is marked with a frost symbol and then numbered settings running up to 5 and MAX. Fitting is done by hand with no tools and no drained system: the chrome collar at the base of the old head unscrews, the old head lifts away, and this one goes on in its place.

The head stands 80 mm tall on the frost setting and 85 mm at its maximum. Supplied in Drayton's own retail box, made in the UK.