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    Combi boiler | Safety discharge pipe | Pushfit?

    Some idiot (;)) was painting the outside of the house. There were lots of old copper pipes protruding from the wall that were part of an old water cylinder installation. These were all cut off and removed. The holes were filled with sand and cement and the wall was painted. Unfortunately, it...
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    Auto bypass valve | Advice on how to fit with a 160cm wide radiator

    The furthest radiator from my boiler is a 160cm x 50cm Type 22 in my living room. It has always been set as the bypass, but this isn't ideal. The living room can overheat, whilst the kitchen is cold. The obvious answer would be to set a lower temperature on the TRV in the living room, but this...
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    Radiators balanced at full load, but not at low demand

    Earlier today, I spent a couple of hours balancing my radiators. I did it via the Drayton TRVs using their balancing key. I managed to get them fairly well balanced with a flow temp of 65C. The radiators were really pumping out the heat and the return temperature was well below the condensing...
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    Honeywell TR4 | Worth upgrading?

    I have a Vaillant Ecotech 835 boiler controlled by a Honeywell TR4. The boiler was previously set to automatic partial load and I tried dropping the flow temperature. The boiler kept turning off before the flow temperature was reached. I've now changed the partial load to 18kW and flow temp to...
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