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Whining from a new Vailant Boiler

Discuss Whining from a new Vailant Boiler at UK Plumbers Forums; First a Hello from a new member. I wondered if any of you experienced heating engineers have heard an intermittent whining noise coming from a new Vaillant ecotec plus 637 ...
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    Default Whining from a new Vailant Boiler

    First a Hello from a new member.
    I wondered if any of you experienced heating engineers have heard an intermittent whining noise coming from a new Vaillant ecotec plus 637 system boiler?

    Fitted (complete new system) June '16, S.Plan -two CH zones and one HW (unistor 210), external by-pass & TF1 fitted, flushed and commissioned as per tech. Has run like a dream until November '16 when, once a day at aprox 1.30pm there is for couple of minutes a whining noise from the boiler. Since then the system has be re-flushed and the by-pass adjusted, but the noise persists.
    Vaillant haven't answered my emails, so I thought I'd ask some real people, any pointers would be much appreciated.
    I have a video from the clients phone, but I can't seem to attach the file.

    Cheers
    R.

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    Default Re: Whining from a new Vailant Boiler

    When does the noise happen when the boiler is on when it's fired etc ?
    IMPORTANT:
    Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.

    Want gas safety or boiler repair advice? :
    Please supply your Gas Safe / Oftec / Hetas Number, DIYers, odd job people and have a go heroes need not apply, and remember any fuel burning appliance can kill


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    Default Re: Whining from a new Vailant Boiler

    Is this a noise like a trombone ?

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    Default Re: Whining from a new Vailant Boiler

    Hi again, noise happens when boiler is running/fired then sound goes away as boiler shuts down. No nothing like a trombone, sounds quite high pitched. We thought there maybe a restriction but we have re flushed with care to no avail. The client is middle eastern and likes it blooming hot, so the system is peddle to the metal nearly all the time, shouldn't make a difference though.
    R.

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    Default Re: Whining from a new Vailant Boiler

    How old is the boiler ?
    IMPORTANT:
    Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.

    Want gas safety or boiler repair advice? :
    Please supply your Gas Safe / Oftec / Hetas Number, DIYers, odd job people and have a go heroes need not apply, and remember any fuel burning appliance can kill


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    Default Re: Whining from a new Vailant Boiler

    Boiler was new in June '16
    R.

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    Default Re: Whining from a new Vailant Boiler

    Quote Originally Posted by Constructor57 View Post
    Boiler was new in June '16
    R.
    Get villant out should be under warrenty
    IMPORTANT:
    Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.

    Want gas safety or boiler repair advice? :
    Please supply your Gas Safe / Oftec / Hetas Number, DIYers, odd job people and have a go heroes need not apply, and remember any fuel burning appliance can kill


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    Default Re: Whining from a new Vailant Boiler

    Under Warranty then ?

    Get Vaillant eng out

    My advice, make sure you are there for the argument !

    Whenever I send MF Engineers to customer, I always ask customer to ring me at the first sign of a fob off, If I'm close enough I will go and meet the Engineer if not I will speak to them on the phone.
    Last edited by Last Plumber; 1 Week Ago at 03:25 PM.
    hammers4spanner likes this.

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    Default Re: Whining from a new Vailant Boiler

    Okay will do, just thought it might be something simple or something we have overlooked.
    Many thanks for taking the time to reply.
    R.

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    Default Re: Whining from a new Vailant Boiler

    Can you get the installer to look at it and ring vaillant
    If not you may be charged

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    Default Re: Whining from a new Vailant Boiler

    Quote Originally Posted by scott_d View Post
    Can you get the installer to look at it and ring vaillant
    If not you may be charged
    He's the installer
    IMPORTANT:
    Carbon Monoxide can be produced when ANY fuel is burnt, including oil, gas, wood and coal.

    Want gas safety or boiler repair advice? :
    Please supply your Gas Safe / Oftec / Hetas Number, DIYers, odd job people and have a go heroes need not apply, and remember any fuel burning appliance can kill


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    Default Re: Whining from a new Vailant Boiler

    Has it been commissioned properly ?

    Just asking !
    scott_d likes this.

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