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    Connecting cast iron (?) high level flush pipe to cemented in toilet pan

    Hi We have an old (1930s?) WC with a high level cistern connected to a metal (cast iron?) flush pipe. The pipe goes down the wall (bolted into place) and then turns 90 degrees just behind the toilet pan and connects to the pan horizontally. The connector is very old and disintegrating, this has...
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    Only some rads warming up, CH pump not operating (?), red light on CH pump relay

    Hi, Big house with two zones (upstairs, downstairs) and many rads. Turn to manual, boiler fires up, but only about half the rads upstairs warm up, and none of the rads downstairs warm up. If I isolate the upstairs rads, some of the downstairs rads warm up, but only after a long time. Hot water...
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    Humidistat working backwards?

    Hi, we have a village hall type building, brick built with a corrugated metal roof and suspended ceiling. We suffer from condensation dripping down from the metal roof and damaging the ceiling tiles. A few years ago we fitted extractor fans in the roof space set on a timer to run overnight...
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    Loft insulation advice

    Hi I am planning to top up the existing loft insulation. Joists are 100mm high and about 330mm apart. Current insulation is old, between 50mm and 80mm deep (yes, I know). I'm not keen on removing the existing insulation unless I really have to. So options seem to be: a) Lay 100mm loft roll...
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