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Topping up boiler, how often?

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Topping up boiler, how often?

Topping up boiler, how often?

Probably open up a can of worms here.

How often should a combi boiler on a sealed system need topping up? I'm sure some people will say never as any sign of a pressure stop is a leak, but the Worcester Bosch website says once or twice a year is perfectly normal.

Take got example my system. Since the heating went off last year in April, I've lost a grand total of 0.1 bar (digital display). I'm going to assume that amount of water over that time is nothing to worry about and would be...

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by wedge69

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