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Boiler Losing Pressure (Vailant Turbo Compact)

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M

Mac72

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Hi,

I am not a plumber.
My boiler is losing pressure slowly. It drops from about 1.5 bar to 0.5 bar over 2 months.
I am getting the boiler serviced next week.
I have checked all rad connections. I added leak seal but this made the pump noisy. Boiler (Vailant Turbo Compact) is 13 years old. It has been losing pressure for years. I'm on first floor (flat) and no one has reported any water leaking on ground floor.
Anyone have ideas?
Ta
Mac
 
Best thing you could do is mention it to your service guy before hand

Your service guy might need to replace the pump / pull it and clean it
 
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