How easy is it to replace radiator valves with TRV's.
Will existing pipe to rad need adjusting ? or are they made the same size as existing valves?
Apologies if this has been asked before, but I have looked through previous questions for this but could not find one.
Many Thanks.
Will existing pipe to rad need adjusting ? or are they made the same size as existing valves?
Apologies if this has been asked before, but I have looked through previous questions for this but could not find one.
Many Thanks.