Electric Shower going hot & cold - help!

Discussion in 'Plumbing and Central Heating' started by Mazey123, 21 Oct 2010.

  1. Mazey123

    Mazey123

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    Hi, we have a Gainsborough electric shower, reasonably new say 2 years old or so. It seems to be going hot & cold ALL the time - 30 seconds of each roughly. Before it goes cold, there's a click in the shower unit, so I don't know if it's perhaps the thermostat or something? Any advice would be appreciated.

    Thank you :)
     
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  3. canduit

    canduit

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    Do you have any instructions, or a user manual? If not, try and get it from internet. Isolate power to the shower via circuit breaker, unscrew front cover of the shower unit and hopefully there'll be a limescale trap. Empty this. Also, unscrew hose from showerhead and turn it upside down. Does loads of carp come out?
     
  4. seco services

    seco services

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    you've got poor flow through the shower which which is causing the water to get to hot then the click is the tco activating then it will go cold.

    try without the showerhead on first. see if it still cycles
    Gainsboroughs don't have a scale trap only a filter on the inlet pipe to the shower.
    make sure you have any stopcock or iso valves fully open.
     
  5. canduit

    canduit

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    I'm surprised, I've also have a filter on the inlet pipe, but I still need to empty scale trap every 2 months...
     
  6. seco services

    seco services

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    on what shower ?
     
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  8. canduit

    canduit

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    9.5Kw Triton
     
  9. seco services

    seco services

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    thats your answer then triton are a middle of the road shower
    Gainsboroughs are the bottom end of the market and always willbe.
     
  10. canduit

    canduit

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    Who would you consider to be a good manufacturer? I guess mine's not going to last forever.
     
  11. seco services

    seco services

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    i fit and find them a good elecy shower
    mira, aqualisa, triton, showerforce not bad.

    wouldn't touch gainsborough, creda, redring

    some hate triton but i've never had abad experience from them in showers or service.
     
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    DIYnot Local

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