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Central Heating system going glug glug

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  • 09-03-2004 11:52am
    #1
    Lex Luthor
    Registered Users Posts: 11,220 ✭✭✭✭


    We have a typical closed loop central heating system, house is 8 yr old. Oil boiler. Last xmas someone told me when I was leaving the house, to close off the hand valve that supplies the cold water to the hot water system if topping up is required. Reason they said to close it off is that I was away for a week and if any pipes bust it would only be the water in the rads that would leak into the house and no more. With the valve open it would flood the house.
    Only thing is, I forgo to turn the valve back on when I got back after xmas, and the last 2-3 weeks there has been a glug glug sound for about 20secs from the hot water tank area when the heating would switch off. I opened up the valve last night and you could hear the water coming down from the tank topping up the system.

    My question is; would you expect to have some water loss over time due to any reason? I have never noticed any water leaks in the house down the walls/ceiling/floors so its not obvious if there is a leak.


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    #2
    pipers
    Closed Accounts Posts: 179 ✭✭pipers


    Sounds like there is a leak.


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    #3
    wheresmejumper
    Closed Accounts Posts: 22 ✭wheresmejumper


    Maybe it's not a leak - I guess the steam that comes out the vent pipe of the boiler comes from water in the heating loop. I see a lot of steam coming out of our gas boiler on a cold day anyway.


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