Hi, thanks for replying to my post
it is a drayton TRV that has a metal turning bit at top with the numbers on and a beige plastic cowling that should be attached to the metal pipe fitting / coupling that attaches to the radiator / water pipe.
however the plastic / metal turning bit has...
Hi hope someone can help
we have just bought a house that has a ferroli optima 901 combi boiler which works perfectly.
However, one of the thermostatic radiator valves is broken and needs replacing and I need to drain the system, replace valve and refil / re pressurise system.
I have...