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    Shower waterproofing

    Im building this shower cubicle in my new extension, walls are studwork, 12.5mm plasterboard and skimmed. The new stud partition visible will have cement board attached. The shower tray will be on risers so the waste can run above the floor. I'm looking at the mapai waterproofing kit from...
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    DHW - mains pressure, heat bank or indirect ? Also TMVs?

    more questions! I've had a chance to have a good look around my new house and having decided to keep the oil boiler (installed in 2014) I'm now looking at changing the hot water (and maybe heating design). It's currently got an old uninsulated indirect cylinder (probably there since the house...
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    Oil heating. Replace with gas? Costs?

    ive just moved into a new house. 1970s constructed so not the best insulated in the world but decent loft insulation and double glazing. It has oil central heating with an old indirect cylinder and a newish 21kw boiler. Gas was installed in the road a few years back. I'm thinking of making...
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    can I use Aircon 'compressor' to heat water?

    Thinking out loud here but... The extension (if and when it gets built) in my new house will be my master suite and I want aircon in the bedroom after getting fed up with hot sleepless nights in summer (yes, even in england!). AFAIK essentially the bit of a split aircon system that's usually...
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    Thermal store sizing

    im planning on replacing the indirect hot water tank in the house I've just bought with a thermal store with plate heat exchanger (which is what I've got in the house we've just left) Are there any equations / resources to calculate the required size of the store and heat exchanger?
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    DIY heat bank - cylinder source?

    Hi - I'm planning a DIY heat bank in the house we are moving to. I've got a DPS heat bank in the current property so I'm familiar with the concept. I've searched through lots of previous threads about this and theres a lot of good info about design, layout etc, but one thing seems to be missing...
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    heating pump to 1" connector

    Hi I'm replacing all my UFH manifolds and controls and it entails moving all the pumps and pipework around. I want to connect a central heating pump (1 1/2" bsp I believe) to a Mixer valve which has a 1" Bsp connector. I don't reall want to put on a pump valve to 22mm compression, to a bit...
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    New Vaillant 428 and pump flow rate?

    Hi - first post here. sorry its so long! Firstly my system - installed 10 years ago when we bought a run-down cottage and renovated and extended - effectively a 'new-build' 4 bed semi - UFH upstairs and down (no rads at all) all running off of a DPS Heat-Bank direct thermal store. Hot water...
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