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Boiler losers pressure

Why is my combi boiler losing pressure in ch mode I have to top the pressure up every two days
I can not find any leaks in the system

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  • pete Jan 11, 2009

    I have worcester Bosh 24i, when the heating is on the pressure reachs 3 when I then turn it offthe pressure drops to well below 1. So I refill the system back up to just over 1 but the same again.I have looked for a leak but can noty find one.

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Make sure the heating is off and rads are cold before checking for leeks if pressure still drops chech expansion vessel is charged to 1 bar.

Posted on Apr 01, 2009

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