Recent content by antoine2000

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    Old Vaillant Sine 18 Boiler whistling....

    easy to fix? by an expert that is?
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    Old Vaillant Sine 18 Boiler whistling....

    Bizarre as it sounds, in the kitchen next to the boiler the noise only occurs when you are running 'warm' water - so cold and third degree burns hot is fine! weird!
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    Old Vaillant Sine 18 Boiler whistling....

    Pressure is fine - usually needs to be topped up once a month, but currently sitting pretty on 1 bar
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    Old Vaillant Sine 18 Boiler whistling....

    Hi We have a 20+ year old boiler in the flat I bought last year. All has been well so far, but during the summer months when running hot water, the boiler began to whistle. The high pitch noise only happens with hot water, cold is OK. I initially thought it was air, and today got the CH...
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