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hi again,more info needed please guys.ime losing warm warter out of the presure relife valve when i put the heating on,but when it is off i dont lose any thing,but the pressure drops to 0 on the gage from 1 bar in about 20 mins,any suggestions please.i filled the expansion tank this morning to...

thanks mate booklet dont tell me any thing,but thanks for help mate will get a pump and try putting pressure in it nothing to loose.

boiler is losing hot water from the pipe out side,and it whont stay pressurised for more than 20 mins.there doesnt seem to be any pressure in the orange vessel either will this need to be regassed /some one said use a pump.any other ideas or what could be wrong