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    Single pipe system with radiator below circulating loop

    Hi, I have an issue with a single radiator on our heating system not getting hot. Would appreciate some advice. Setup is as follows: - 2 story house (submerged basement + above ground living floor). Solid concrete construction - Single pipe system, with a large bore (40mm) steel...
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    Soil pipes: when are long radius bends and AAV advisable?

    Hi, I'd appreciate some advice on a soil pipe installation. Previous we had a two story building, with two W/Cs on upper floor, connecting to a simple direct vented stack (there are no secondary vent pipes). We've added a new floor, which will have another WC. One of existing W/Cs will be...
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    Advice on core drill and bits for reinforced concrete floor

    Hi, I am working on fitting out a new floor extension on a typical Swiss 'bunker style' from 1970s with reinforced concrete slabs. I need to drill some holes to take 110mm soil pipes, and heating loops etc through two existing concrete floors. These floors are 200-250mm thick, and have a mix...
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    PEX pipe sizing (Geberit Mepla) for domestic installation

    Hi, [Apologies if this has been requested before - I see quite a few pipe sizing questions but not much on plastic variants] I am about to install new hot and cold pipework for a new floor on a house in Switzerland. This will involve: - Running H & C supply up two floors from basement...
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