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    Boiler sizing & efficiency ?

    I'm looking to replace a gas-fired 100k BTU AGA-type range cooker / boiler with a modern gas boiler (and an electric fan oven !) but am uncertain which size to go for. Ignoring the oven, the radiators around the house total to around 60k BTU (each with a thermostatic valve) and the house warms...
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    Can you install a gas boiler under the stairs these days ??

    The house we recently moved into has an 11-yr old gas-fired Irish AGA-style cooker (a Stanley) that also runs the hot water & central heating but is very temperamental. We prefer a normal electric oven anyway so intend to do away with the Stanley and have a "normal" boiler (probably 100k BTU, as...
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    Unvented cylinder in house with low water pressure

    Doitall, tried to send you a PM but it says I must first be your Friend ??? Can you invite me or am I missing something
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    Unvented cylinder in house with low water pressure

    Thanks Simon, that's very helpful. Happily the airing cupboard has double doors and the cupboard itself is about 1200 wide by 600 deep (so I don't think I can fit in a 500 litre accumulator but I hope a 300 litre one will work well enough so long as the bathrooms aren't all in use at once). The...
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    Unvented cylinder in house with low water pressure

    Hi guys, the static pressure at the outside tap (at ground level) as measured by the little pressure gauge I bought is just over 2 bar. Flowrate with the kitchen tap fully open is about 12 litres per minute, so I guess an accumulator will be needed to give decent showering performance ... ...
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    Unvented cylinder in house with low water pressure

    I think the main issue with the pressure is that the house is on the very top of a hill (a local plumber mentioned that pressure at his house in the valley below is excellent !). The whole family likes a good "power shower" but we've long been used to making sure only 1 person has one at a...
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    Unvented cylinder in house with low water pressure

    OK, I'll try to get one and measure the static pressure when I'm next down there then post again, thanks ! Out of interest, what are the pressure & flow-rate thresholds below which an accumulator or pumped accumulator are usually recommended ?
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    Unvented cylinder in house with low water pressure

    We've just bought a big house in Dorset that needs a LOT of work to bring it up to modern standards. It currently has a typical gravity-fed hot water & heating system with a small cylinder (for size of house) run off a Stanley (AGA-type) stove/boiler. The radiators are museum pieces, connected...
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