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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

PLEASE NOTE: A download link for Volume 1 will be sent to you by email and Volume 2 will be sent to you by post as a book.

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    • CommentAuthorRedDoor
    • CommentTimeJul 2nd 2020
    Any one have a really quiet pump? The newly installed system on a friend's house sounds more like one of those air compressors that you plug into the cigarette lighter. Not too bad while the house is being built but I think that it will be quite disruptive when a toilet is flushed in the middle of the night.
    • CommentAuthorJonti
    • CommentTimeJul 3rd 2020
    It should be pretty silent really. Check that the noise is not caused by what it is attached to (bolted down on). If not I would think the pump is faulty.
    It could be a bit of debris - small stone etc- stuck in the impeller. Anything impeding or imbalancing the water flow can cause a noise. You say its for rainwater - is there a filter stopping bits getting into the pump?
    • CommentAuthorphiledge
    • CommentTimeJul 4th 2020
    Maybe its not a centrifugal pump? Boat/RV/caravan water systems keep the pipework pressurised all the time and their pumps make a right racket when repressurising after water is drawn off. Maybe thats whats been installed??
    • CommentAuthorRedDoor
    • CommentTimeSep 25th 2020
    An update on this.
    The system is a FloPlast supplied Stormsaver unit which, under the stickers, is an Intewa Rainmaster Eco.
    After trying to work out why the unit was so noisy, a new pump was supplied. Subsequently it was noticed that the power pack barrel connection to the circuit board was glowing and it had melted itself in place. With a new control pcb and power pack, the unit was restarted and at first seemed to be so quiet that it raised concerns that it wasn't working until the gauge was checked. It has since gained some of it's rattly character back but it's possible that the noise issue stems from an incorrectly specifed power pack. Contactor chattering?
    Any one else had any similar experiences?
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