washing machine valve tight

Discussion in 'Plumbing and Central Heating' started by Rekusu, 28 Jul 2021.

  1. BoilerBob

    BoilerBob

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    The best penetrating oil you can use is Plus Gas. Bob
     
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  3. Madrab

    Madrab

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    IMO penetrating oil shouldn't be used anywhere near any potable water supply as hydrocarbon based lubricants can contaminate the water supply and damage the seals of most fittings these days.
     
  4. Bouy

    Bouy

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    What contaminate back down the service pipe and into the supply mains and back to the service reservoir, or just the water flowing into the washing?
     
  5. Madrab

    Madrab

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    Can taint the persons drinking water and can be drawn into the washing machine. It can also degrade silicone seals over time.
     
  6. BoilerBob

    BoilerBob

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    I think really for the small amount used the amount of damage done would be very small but left to me I’d change the valve. Bob
     
  7. Madrab

    Madrab

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    Of course and I would normally completely agree with that, I'm only commenting from experience with this one.

    Customer called complaining about a strange smell/taste in the water, visited and it was really obvious that it was WD40, faint smell/taste in the cold mains water at the sink. Turns out the customers husband had used it to free up the WM valve under the sink that was Tee'd off the cold mains to the sink.

    Changed the valve and it disappeared.
     
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