i have a 5 year old halstead ace high boiler and have noticed the pressure has been creeping up over the last year.my neighbours is about 1 bar but mine is nearer 3 and the heating has been off f0r weeks due to summer months!just wondered if this was fixable or not really a problem?any help would be appreciated.steve
Check if filling loop letting by, Is there pressure going up even when cold than check DHW plate heat exchanger leaking in to system causing pressure build up in the system
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