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I've a Cotherm unvented boiler with an expansion vessel above. The ove

Posted by Stephanie Lethbridge, on
I've a Cotherm unvented boiler with an expansion vessel above. The overflow pipe occasionally leaks - is this normal?
Iain McAlpine

Iain McAlpine

Hi there Looks like the orb is passing, if you place an add on here and get an engineer out just to make sure, could be pressure vessel if the pressure is to high Iain
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