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    Air Admittance Valves / Durgo Valves at 45°???

    Thanks for the reply Bahco. I’ve checked the plans (which were passed) and while the proposed elevation shows the soil stack disappearing into the house below the original eaves, the drainage spec. states ‘… to be taken 900mm above opening windows …’ . I’ll contact the planning & building...
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    If it aint broken, don't fix it!

    If it aint broken, don't fix it!
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    Air Admittance Valves / Durgo Valves at 45°???

    I'm designing the pipe layout for an en-suite bathroom in my loft conversion and would like to ask if it's possible to have the air admittance valve at an angle of 45° (the reason being it will be easier to hide away if it runs parallel to the roof). I seem to remember reading somewhere that...
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    Vokera Excell 80SP combi boiler got me scratching my head...

    Thanks VERY MUCH for your help DP & Nixt - you obviously know your onions. I stripped the fan and lubricated both bearings (also had to replace the circlip which keeps the fan clear of the casing as it had disintegrated). Back in situ, the fan started OK, albeit taking its time to reach its...
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    Vokera Excell 80SP combi boiler got me scratching my head...

    Thanks DP - I'll get on with your suggestions and see how things go.
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    Vokera Excell 80SP combi boiler got me scratching my head...

    A couple of Q’s about a Vokera Excell 80SP combi boiler. :?: The boiler began to make a groaning noise upon opening a dhw tap (this when the mode selector switch is set to central heating). The noise (akin to whale song or that of a rusty old boat sliding down a dry dock) lasts for less than a...
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