We have recently had a radiator fitted complete with a thermostatic valve, but it aseems to be at maximum heat whatever the valve setting even when set to 'frost'. Is it important which [b]side[/b] of the radiator the valve is on? Or is it the valve that will be faulty?
Sorry for delay. Every valve in the house except the dodgy one is a TERRIER II. The dodgy one (the only one that the plumber had in his van) is a DRAYTON. The drayton has a white 'collar' around the middle and a chrome top. I tried lifting the chrome top to see if there was a pin to tp, but it wouldn't budge so no joy there. I have a feeling what your advice is going to be so I guess it's off to buy another TERRIER II and change it. Is the TERRIER II "Bi-Directional" ?
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