R
raydocks
water is escaping from the discharge safety valve when central heating is put on. The boiler worked perfectly during summer when HW only? any ideas how to clear problem?
Discuss Glowworm 30si discharge safety valve in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Thanks my system is unvented and has an external expansion vessel for the hot water which i thought caused the problem. I shall now clean that small pipe to the integral expansion tank. Thanks for your help, i just keep topping up the sealed system with water, daily, and it works. not the best thing i suspect?Well before you start ripping the expansion vessel out ,you could try re priming it,also the glowworm has a common fault were the small tube connecting the expansion vessel to the main boiler section gets blocked up and requires cleaning out
ps presure in expansion vessel wants to be around 1.2..1.5 bar,if you have pressurised to 3 bar let some out
Reply to Glowworm 30si discharge safety valve in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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