It will be allot easier to fit the missing PRV's, however will the boiler still heat water even when all the radiator valves are closed? Hence better to fit a room thermostat to actually stop the boiler?
By PRV you mean TRV since they are completely different things. And in answer to your question, yes the boiler will still heat water for your taps, but it will also be trying to pump water round a central heating system with nowhere to go. What sort of boiler and heating system do you have? If a fairly new combi then it will have a bypass in it most likely, if you have a conventional system (with feed and expansion tank in the loft) then if all rads close down it will pump-over. Really, follow the advice anf fit a roomstat - these aren't expensive.
To preempt the inevitable question: FAQ has a section on the use of, and relation between roomstat, boilerstat, and trv's.
Worth reading, it will bring clarity in the confusion
Apologies everybody I meant to type TRV and have updated my posts.
The setup is a conventional system (with feed and expansion tank in the loft) however the boiler looks relatively new compared to my old house!
Okay so it looks like I will leave this to a professional to fit a room thermostat in the hallway and a TRV to the bathroom radiator. Just want to make sure that im ready for the impending winter
Nothing wrong with you fitting the TRV yourself if you're up for it, but the wiring can be a bit confusing if you're not used to it. I am, but I still leave it to the pros.
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