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:?: My central heating system has toomuch air and that causes the boiler to overheat and shut down. This problem was there about 14 years ago when the system (new) was put in. After a while the problem seem to have gone, but please note that the pump was never set above 2 and the boiler temp...

:?: My central heating system has toomuch air and that causes the boiler to overheat and shut down. This problem was there about 14 years ago when the system (new) was put in. After a while the problem seem to have gone, but please note that the pump was never set above 2 and the boiler temp...