AliMcLeod Posted August 9, 2018 Author Share Posted August 9, 2018 (edited) 3 minutes ago, PeterW said: I doubt towel rail has a trv. Without a bypass of some sort you could find the boiler cutting out due to an overheat die to lack of flow They're probably just valves then. Same question: If i turn both towel values off - would that cause an issue with the water nowhere to go (I'm showing my lack of knowledge in this area here ?) EDIT: But... with my setup where the rads can only get flow when the downstairs UFH is on, could the lack of flow actually happen? Edited August 9, 2018 by AliMcLeod Link to comment Share on other sites More sharing options...
PeterW Posted August 9, 2018 Share Posted August 9, 2018 Yep they are probably standard valves so switching both off would potentially cause a problem. As it stands though you can’t use the towel rads unless the UFh is on and tbh they can be pretty useful although that also depends on having a stat in a room without a TRV too - usually an upstairs hallway. I’ve also dropped you a PM Link to comment Share on other sites More sharing options...
AliMcLeod Posted August 9, 2018 Author Share Posted August 9, 2018 (edited) 8 hours ago, PeterW said: Yep they are probably standard valves so switching both off would potentially cause a problem. Valves - no idea why I thought they might be TRVs. Edited August 9, 2018 by AliMcLeod Link to comment Share on other sites More sharing options...
PeterW Posted August 9, 2018 Share Posted August 9, 2018 @AliMcLeod they are standard valves not TRVs so you can go ahead with what we suggested ..! Link to comment Share on other sites More sharing options...
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