TCR Question - Off seems to be on

[JackRegan]

Have been doing my annual TCR pin checking project (must remember to leave them open in the Spring) and noticed a few valves which had pins stuck down but the rad was heating up fine.

Which seems the reverse of what I'd expect to happen, unless the internal parts of the valve are shot.

Thoughts?

 

[Dan Robinson]

What's a TCR?

Are you talking about TRV's aka Thermostatic radiator valves?

Depends on the model of valve really though. Crappy Drayton units have very short pins and always look stuck down.

 

[JackRegan]

Why the F... did I type TCR!? ..Yes I meant TRV's .. Got a pretty decent amount of pin back when I released them but I guess they could have been 80% closed and stuck.

Thanks

 

[Dan Robinson]

Did you release them by pulling on them or smacking them?