SUNVIC white box is making a noise

Discussion in 'Plumbing and Central Heating' started by Techboy, 17 May 2020.

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  1. Techboy

    Techboy

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    The plate the head unit sits on is very rusty. I cleaned it up and can't feel any moisture anywhere.

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  2. oldbuffer

    oldbuffer

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    If its unvented:
    1. I wouldn't replace with a motor on - motor off valve, they are not fail safe.
    2. You shouldn't be working on it as you need a G3 qualification to do anything which affects the safety features, and that valve does.
     
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  4. Techboy

    Techboy

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    Ah okay. What should I replace it with? :)
     
  5. Techboy

    Techboy

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    It turns out that the issue was with the brass valve that the Sunvic controls! I lifted up the Sunvic, quirted the valve with WD40, used pliers to turn it until it was free to move, put the Sunvic back on and now the Sunvic is quiet and is able to operate the value as it should.

    Thanks everyone for the help :)
     
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