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Pressure drop to zero in new Combi Boiler

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Ash5ley
Ash5ley Posts: 7 Forumite
I have just changed over from a conventional heating system to a new worcester combi boiler system one week ago.

We are seeing a pressure drop in the system from 1.5 bar to 0 within 4-5 hours. We top up the pressure to 1.5 bar atleast twice a day. Our installer said it must be a CH leak but cannot see any obvious leaks.

Could this pressure drop be only due to a leak within the system or could it be an issue with the boiler.

Thank you for any advice.

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