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Ideal Logic System 15 - Leaking CH Flow Valve

Discussion in 'Plumbing and Central Heating' started by ColinChesta, 27 Sep 2016.

  1. ColinChesta

    ColinChesta

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    Hi folks, hope you can help! I have an Ideal Logic System 15 boiler (new build house, builders installed) which has a leak from the CH flow valve (gauge thing). I've had it 'fixed' no less than 5 times now - replaced the fibre washer and helped with liquid PTFE. In summer months, it's not on, but now as I'm turning the heating on and setting the boiler to work, there's a drip, drip, drip.

    I can get the washer changed for the 6th time but there's clearly an issue here. I can see the new CH flow valve part comes with a curved 90 degree copper pipe - and looks as if that should bend downwards, whereas mine doesn't have that - the pipe connecting to the valve is horizontal... is that ok? Or does that explain the issue? See attached examples;

    Image I found on this forum of someone else's setup shows the pipe going down the wall whereas on mine, the 90 degree pipe goes up into the boiler (no pipes coming down). I'm wondering if that's the reason for the persistent leak - any thoughts? It's driving me nuts!

    Cheers all.
     

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  3. dilalio

    dilalio

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    Who's been changing the washer?
    It's down to a plumber to fix a leak permanently - not once a week/month! Bring him back and ask him to sort it! Are you/he sure it's leaking from where you think!
    It could be the gauge is kaput!

    Edit: clear photo of yours would help!
     
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  4. muggles

    muggles

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    Should be under warranty if it's part of the boiler that's leaking - get Ideal out to it
     
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  5. dilalio

    dilalio

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    Was thinking same Muggles - union with system pipework is right on the border of boiler vs installation! Who's responsibility?
    If it's upstream of the fibre washer then it's down to the manufacturer no?
     
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  6. muggles

    muggles

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    Could also be a leak inside the boiler running down the thread.
     
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  7. ColinChesta

    ColinChesta

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    Thanks for your replies guys! It was late when I posted the thread last night and battery on my phone had gone - I'll update later with photos of my system for you.

    @muggles - The boiler is sadly out of warranty - we've been in the house 3 years and Ideal now want £250+ to come out to it. I've had them out twice in warranty.

    @dilalio - 2 independent plumbers have been out, twice each over the past 18 months. The last guy said the water was very acidic - it's all brown and smells like battery acid - and feels this may be corroding the fibre washer. I called him this morning and he's suggested that draining and flushing the system may prevent this in future... sounds like a bit of a job??

    @ muggles - He also said he'd have a look to see if the drip isn't coming from elsewhere like you've suggested.

    Do you guys think the acid in the water would cause a fibre washer to corrode in the space of a few months? It does look pretty brown, and I can't imagine that's good!
     
  8. dilalio

    dilalio

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    Cleaning system water is certainly a good idea anyway!
     
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