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home Fix label Heating label_important Home Heating Systems category Worcester Bosch

loosing pressure?

My greenstar 30Si is loosing pressure .I have checked all pipes for leaks and all seem dry.Could this be diverter valve or the expansion vessel.
steve, January 2012
home Fix label Heating label_important Home Heating Systems category Worcester Boschdone
look for pressure relief valve,any water out side if yes, replace,could be fault at vessel ,see water come out from
valve ir not need pump it to value on vessel

ltd, January 2012
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