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    Worcester 28CDI difference between heat exchangers

    Hello, Can anyone explain the difference between the gas to water heat exchanger and the water to water heat exchanger? The boiler type is a Worcester 28CDI Many thanks in advance, G
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    Worcester 28cdi Hot Water Problems

    Hello All, I'm wondering if anyone can shed any light on this one? The problem with my boiler is when i call for hot water (usually shower) it lasts for a minute or two then makes a clunk in which the pressure jumps by about .5Bar then settles out. The pump remains on but the gas and the...
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    Damp ingress on chimney wall?

    Hi All, Newish home I'm currently getting a damp patch on my upstairs chimney wall. The facts are: -Had damp issues from day one -Unused chimney open in bottom reception room to allow ventilation -Checked flashing and all looks good plus the chimney stack in the attic is dry and shows no...
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    AAV on Soilstack! Surely Not!

    Hi All, I've read another post similar to this but I'll spark the topic again. Floplast have brought out a new "External" air admittance valve! Has anybody used one of these before? Also would anyone know if they met the requirements of the building inspector? I'm looking at renewing...
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