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  1. O

    2 pipe vs 1 pipe question

    I've been measuring and fiddling with the heating system and I have possibly had a lightbulb moment. I've turned the temperature on the boiler DOWN but i'm still managing to get sub 55c on the return pipe next to the boiler so I am assuming I am getting condensing. I've also managed to solve...
  2. O

    How should I measure delta T at the boiler?

    How can I see that I am actually benefitting from condensing at the boiler (I've got a relatively cheap measuring unit with two k clamp thermocouples) As an example measurement I can see 72c on the boiler display but only 63c on the flow pipe just above it and then 56c on the return pipe. Is...
  3. O

    "Balance Rad"

    Sorry about this but I cannot seem to find an answer anywhere - what is meant by the term "a balance rad"? which I have seen used bur not explained. It seems to be a radiator on the system with no TRV on it but for what purpose? Secondly, should you try to include it in balancing or should the...
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