filler loop

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    Fill Loop - Consequences.

    Exploratory Topic. Interesting scenario. Main combi 25 Eco. Air in rads - so bled. CH circuit topped up - BUT forgot to reisolate @ fill loop! Boiler had mains fill loop left open for about a month. Presure Dial on boiler showed close to 2/2.5 bar before problem was discovered. Boiler was...
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    Combined double check and isolating valve incorrectly fitted?

    Hi all! I'm new this is my first post. After a couple missed years I had a first service visit by BG. The engineer said he had to fail the inspection because the filler loop leaks when the valve is opened to top up the boiler pressure he said this is because the Combined Double check & isolating...
    • semplerock
    • Thread
    • aberdeen city council bad plumbing example boiler combined double check valve filler loop filling loop filling loop valve leaking incorrectly fitted leaking
    • Replies: 13
    • Forum: Plumbing and Central Heating
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    Ferroli Modena 80 - Filler loop query

    Hello Been nudged towards using the filler loop on my boiler as the pressure has dropped a bit. I've seen a couple of videos and read some guides - but not seen one for this specific model. The ferroli video I found mentioned two black valves - but I only seem to have one actually on the...
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    Filler Loop part of boiler replacement?

    Hello, I'm wondering if anyone can help me... I had a new Vaillant boiler fitted before Christmas, the quote was to replace the old boiler, fit a new cylinder (which was leaking), fit thermostats to the radiators and refit the pump at the back of the cupboard. For the past few days one of the...
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