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Installing new shower mixer bar with Combi Boiler

Discussion in 'Plumbing and Central Heating' started by SkyBlzr, 11 Dec 2018.

  1. SkyBlzr


    11 Dec 2018
    Thanks Received:
    United Kingdom
    Good Morning / Afternoon..

    Apologies as this is probably a very straightforward request for help..alas my DIY knowledge lacks in the world of plumbing.

    I've got a mixer shower which seems to have a faulty valve inside as it's stuck on cold. We only noticed once we had a new Baxi Duo-Tec 40 40kW Combi Boiler installed. The boiler engineer at the time, to resolve the issue with the shower swapped the cold / hot feeds so it's now stuck open on hot.

    If I was to purchase a new mixer and install this myself, would I turn off the main stop tap to the house, then leave the taps open till the Combi boiler has emptied? Do I need to turn the Combi off at the mains?

    Any help is much appreciated.

    Kind Regards,

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  3. Turn boiler off,turns stop tap off,open hot and cold tap to drain.
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