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I did at first - the plumber said I could still access hot water - I’d thought this would be shut off too. When I noticed the pressure change on the system and the boiler, I stopped using the hot water too, hoping this would give a truer reading. Can running hot water affect the readings...

Yes it was off and isolated. I’m really puzzled. The plumber said on the phone that any drop system in pressure must be due to a leak in the system, but I’m not sure. The boiler has been noisier and I’ve been topping up the pressure two or three times a day the last couple of weeks, whereas it...

My boiler’s pressure has been dropping. My plumber is unsure why. After the boiler was isolated, the system pressure dropped 0.2 over the first couple of hours, but hasn’t dropped now for over 24 hours. The boiler pressure went up from 1.5 to 2.2 over the first 24 hours and has now settled to...

After the boiler was isolated, the system pressure dropped 0.2 over the first couple of hours, but hasn’t dropped now for over 24 hours. The boiler pressure went up from 1.5 to 2.2 over the first 24 hours and has now settled to about 2.0. Has anybody got any ideas?

My boiler pressure has been dropping for about 8 weeks. Topping up daily but more recently a couple of times a day. No problem could be found, so plumber has isolated the boiler. The system pressure has decreased and now the boiler pressure is going up. Can this be a thing? The plumber is more...