Jokes3 mins ago
Heating
7 Answers
I have thermostatic control valves on my radiators and also a temp control on my Combi boiler in *C My question is what do I set the boiler to?
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For more on marking an answer as the "Best Answer", please visit our FAQ.Then in that case the room stat will overide the boiler anyway so just set the boiler to the highest setting, then it will heat up quickley saving energy and the external controls will operate and controll the boiler and room temperatures for you. 21*C is room temp for the main living rooms that is number three on the TRV and 18*C for the bedrooms and Kitchen that is number two on the TRVs.