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  1. S

    Replacing 5 x trvs with a combi boiler

    Thanks all I think I've got it now. Have a great Xmas.
  2. S

    Replacing 5 x trvs with a combi boiler

    Thanks pete, I appreciate your help. I have the inhibitor ready to go, my main thought was about turning off the mains to drain. I figured with having to do 5 TRV's and there's also one radiator that doesn't get any heat to it I figured it wouldn't do any harm to drain the system. My...
  3. S

    Replacing 5 x trvs with a combi boiler

    You should get some more work then you wouldn't waste your time or mine! If anyone has any sensible help I would be very greatful. Many thanks
  4. S

    Replacing 5 x trvs with a combi boiler

    Hi, I need to replace 5 x trv's on a CH system that has a 1year old Combi boiler. I know I need to turn the boiler off but do I also need to turn the mains off? Also would you advise draining the system or is their an easier way? Cheers
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