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    Blauberg Aeris-Midi Decentralised Single Room Ductless Heat Recovery Unit

    Hi All, Does anyone have experience with this type of single room heat recovery units? Getting a lot of condensation in the bedrooms and seen these advertised. Retrofitting a full MVHR would be extremely difficult and expensive. We're in a flat roofed bungalow so not interested in a simple...
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    Intermediate Heat Exchanger

    Folks, need some advice. I have a large, long "bungalow" with a Vaillant ecotech plus 630 at one end driving a closed/megaflow type system. It's a long way to the other end. We have mixed heating types: Traditional radiators, underfloor for the extension and polypipe overlay for the sitting...
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    Insulating a brick shed

    Hi All, I have a 1.8M x 1.8M shed next to my house made from single skin brick. I'm moving the gas boiler in to it and want to put a freezer in it as well. Freezers don't like the cold so I'd like to insulate the interior walls with celotex. My question is, do I need to batten-out and...
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    Bathroom UFH (yet again)

    For the avoidance of doubt. I'm about to install electric UFH to my bathroom. I have direct access to the CU so can run a new spur. Most controller instructions say I need an RCD. Please confirm (or otherwise) that I can use the RCD in the CU and do not need to put another one near the...
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    LED Wiring Calcs

    I'm planning to install some RGBW +WW around the ceiling of a small bathroom room. Data is: Length 10M in total 24V 10W/M By my calcs that's 8.33A so I'll need a min of 10A rated cable. I'd like to use a single multicore flex such as YY 7 core 1.5mm to keep things neat and well within...
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    Recommend contractors

    Hi, I'm renovating a 70's bungalow which has 3 separate flat roofs. One leaks like a sieve and another is on it's way so I'd like to convert them to warm roofs. Approx sizes (in mm) are 4000 x 4000, 9600 x 8600 and 8400 x 8400. We've currently stripped the whole place (no ceilings...
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    Sauner Duaval - Repair or replace?

    Hi, I've an old SD620F which has given years of good service and still produces lots of very hot water but now leaks like a sieve from the two rubber pipes on the left. Should I repair it? If so, where can I get the rubber pipes from? If replace it, can I get another SD to fit the...
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    Bathromm Downlights & Extractor

    My flat was converted in the late 1980's and has a small bathroom with a single 40W light and an extractor fan. The 240V extractor is directly over the bath near the taps and shower. The light is in-line with the edge of the bath. Although professionally converted, this seems pretty dodgy...
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    Oven and Hob upgrade

    I've a single oven and gas hob and want to replace both with a double oven and ceramic hob. It has a single outlet controlled by a new MK 45A cooker control with 13A socket. The breaker is 40A. My questions are: a) Is a 40A breaker sufficient? b) Is there a double outlet I can replace...
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