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Is the flow fill up tap to the boiler open? What's the pressure on it? If it were taking in water that would have to be going somewhere, ie out of a pipe or radiator. 4x means a lot of water, you should be seeing that somehwere.
skinny-
4x means a lot of water, you should be seeing that somewhere.
Right? There no sign of it anywhere in the house. I thought it might be a leaking hose on an open outdoor tap but that's reaching.
The flow fill up is closed (that's the one you use to top it up?), the pressure in the middle of the required range. It does need a service (the icon is flashing). I can hear water moving in the pipes, but not sure where it's going.
I'm going to have to get a chap in I guess - just wondering if it's even possible for a boiler to flow water in the whole time
christianSpaceman
I've just had a catastrophic (4x usual) water bill...
I can see the meter turning when there's nothing in the house that should be using water - no taps, heating off.
I've checked that the leak (if there is one) is definitely after the stopcock by turning it off and seeing the meter stop turning.
I think I can hear water flowing through pipes near the boiler - is it plausible that the boiler would be drinking water even without the heating on? It's not been serviced for a few years to be honest.