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    • d0nkeyk0ng
    • By d0nkeyk0ng 9th May 18, 6:21 AM
    • 577Posts
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    d0nkeyk0ng
    Electric shower runs hot and cold
    • #1
    • 9th May 18, 6:21 AM
    Electric shower runs hot and cold 9th May 18 at 6:21 AM
    When we moved into this house three years ago, it came with a gainsborough 10.5 SE electric shower.

    Last night, Swmbo went to use it and told me the water wouldn't come out properly. I've had a look and the shower runs for a few seconds, becomes scaldingly hot, safety clicks in, becomes cold, then water flow increases, becomes hot etc. Each stage lasts about 2-3 seconds.

    The shower had a new hose last year as the old one had started leaking, and I've run the shower without the shower head attached to find it's still the same.

    Any thoughts?
Page 1
    • Browntoa
    • By Browntoa 9th May 18, 6:52 AM
    • 33,332 Posts
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    Browntoa
    • #2
    • 9th May 18, 6:52 AM
    • #2
    • 9th May 18, 6:52 AM
    http://www.gainsboroughshowers.co.uk/Customer-Services/Gainsborough-Technical-FAQ/My-shower-fluctuates-between-very-hot-and-very-cold/

    They say use genuine spares , was the hose an original part
    I'm the Board Guide of the Referrers ,Telephones, Pensions , Shop Don't drop ,over 50's and Discount Code boards which means I volunteer to help get your forum questions answered and keep the forum runnning smoothly .However, please remember, board guides don't read every post. If you spot an inappropriate or illegal post please report it to forumteam@moneysavingexpert.com Any views are mine and not the official line of MoneySavingExpert.
    • d0nkeyk0ng
    • By d0nkeyk0ng 9th May 18, 1:24 PM
    • 577 Posts
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    d0nkeyk0ng
    • #3
    • 9th May 18, 1:24 PM
    • #3
    • 9th May 18, 1:24 PM
    Nope. Cheap and cheerful off Homebase. TBH the shower head does not look like the original part and hasn't been so for over three years (it's shiny chrome instead of white plastic, something I recall when viewing the house).

    I've removed the shower hose from the outlet. Same problem: It goes very hot, splutters, stops, goes cold and starts all over again.
    • southcoastrgi
    • By southcoastrgi 9th May 18, 8:29 PM
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    • #4
    • 9th May 18, 8:29 PM
    • #4
    • 9th May 18, 8:29 PM
    It's prob cheaper to replace the whole shower, Gainsborough aren't the best make & it's at least 3 years old & if you live in a hard water area it will be scaled
    I'm only here while I wait for Corrie to start.

    You get no BS from me & if I think you are wrong I WILL tell you.
    • hayday75
    • By hayday75 10th May 18, 5:39 PM
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    • #5
    • 10th May 18, 5:39 PM
    • #5
    • 10th May 18, 5:39 PM
    I had the same problem with a Mira shower turned out the head needed descaling .
    Just unscrew head from hose & (if plastic) squirt some harpic limescale remover in , leave for 5 mins then wash out thoroughly.
    • d0nkeyk0ng
    • By d0nkeyk0ng 11th May 18, 8:04 AM
    • 577 Posts
    • 216 Thanks
    d0nkeyk0ng
    • #6
    • 11th May 18, 8:04 AM
    • #6
    • 11th May 18, 8:04 AM
    I had the same problem with a Mira shower turned out the head needed descaling .
    Just unscrew head from hose & (if plastic) squirt some harpic limescale remover in , leave for 5 mins then wash out thoroughly.
    Originally posted by hayday75
    I removed the head and shower hose. Same problem. I looked at the inlet filter. A few bits of debris but not enough to block, and certainly no improvement after cleaning it. I removed the whole unit to check the water feed - perfectly fine. Ergo must be the unit.


    I've since replaced the electric shower with a new one of a different brand and all is fine now.
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