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    Adding inhibitor to a central

    Hi, My radiators have recently been almost fully drained - I think there was probably some water left in the lowest rads. Is it safe to go ahead and add new inhibitor (I'm not sure what was already in there), or should I redrain it from the lowest point? Thanks Daven
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    Linking hood extractor to inline fan

    Hi all, I have to have a fairly long duct run for my kitchen extractor hood and the bathroom extractor will also join onto this run. To avoid smells getting into the bathroom, and to ensure the kitchen extractor works well, I was considering putting an inline fan after the join and wiring it to...
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    Led spotlights

    Hi, I am having some renovation work done and I'd like to install some led spotlights in the kitchen and bathroom, I've read that the gu10 led bulbs get very hot and I'd like to avoid that. So I was wondering if you can recommend me some recessed led spotlights. Thanks
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    Do I need a pump?

    Hi all, I'm installing an open vented system for my hot water (bad mains pressure rules out an unvented system) and I'm wondering if I can get away without a pump. I'm going to have 2 bathrooms run off the tank and the showers are rated for 0.1 bar. I figured if i have a 28mm pipe from the tank...
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    Vapour barrier underlay over insulated wooden subfloor

    Hi all, I've seen a few threads on here which do not recommend using a vapour barrier underlay with a ground floor wooden subfloor due to condensation being trapped and damaging the subfloor. I was wondering if this advice still holds if the wooden subfloor is suspended and insulated? I ask...
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    Mapping drains

    Hi all, Wasn't sure if this should go here or in building, but it is here now! I want to build over an inspection chamber but that means moving it. Now Thames Water don't have accurate maps of the main sewer which runs somewhere in my garden! So before I get build over permission I want to...
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    Vented system, cold water tank questions

    Hi all, This is my first post here so please be gentle! I have been reading lots of threads about central heating and hot water solutions, however I still have a few questions! Scenario: I have 2 flats that I'm converting into a 4 bedroom house, the flats currently have a combi boiler each to...
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