Do we even talk about cars here now?
Basically the pressure gauge on our boiler has gone up, it did this recently when my grandad decided it was a bit low so added more water into the system but didn't completely turn off the valve. He did it again yesterday (don't ask, I've told him to stop touching it) - this time it went on the green and with the valve turned off the pressure still went up for a while to near red, do I just drain some out again?
Is it bad/dangerous to be high pressure? It's not in the red but is close. It's a combi boiler, not sure if that makes any difference...
Basically the pressure gauge on our boiler has gone up, it did this recently when my grandad decided it was a bit low so added more water into the system but didn't completely turn off the valve. He did it again yesterday (don't ask, I've told him to stop touching it) - this time it went on the green and with the valve turned off the pressure still went up for a while to near red, do I just drain some out again?
Is it bad/dangerous to be high pressure? It's not in the red but is close. It's a combi boiler, not sure if that makes any difference...
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