Closed Plumbers
Graham Bonner
posted on Thursday 1 October 2020
expired on Thursday 15 October 2020
EH45 8JX, Peebles, Scottish Borders
My system is a closed system and I need to increase the pressure as it’s below 1 and my biomass boiler won’t switch on. There is two valves to switch on to increase the pressure. One of the valves was seized on, I tried to release it but it would appear to have broken something inside and no water is getting through. There is also a air lock in the system causing it to sound like an aircraft taking off when the boiler switches on. The boiler is ok and runs well when the pressure is over 1.
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