TRVs

[poppabear]

I need to replace my radiator valves with TRVs which I understand should go on the INLET side. Am not convinced that my existing valves are on the right end. How can I find out which pipe to each radiator is the INLET one ? Many Thanx.

[Nixt]

Buy bi-directional TRV's then it won't matter.

[corgiman]

he is right but best to put em flow side

its really easy

make sure the central heating is cold

turn it on

and feel which pipes get hot first

Job Done

__________________
If at first you don't succeed, remove all evidence you ever tried.

[poppabear]

Now why didn't I think of that ! Many thanks guys for your help. I'll give it a go.