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Gas boiler water heating issue?

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  • 23-07-2013 11:43am
    #1
    reni10
    Registered Users Posts: 1,152 ✭✭✭


    Just moved into a new house and although the boiler is only a couple of years old I think the hot water heating is not working as good as my last place so just wanted some opinions.

    The heating has 3 zones including one for only hot water heating and I have it on for about an hour early in the morning and then another hour in the late afternoon but I find by about 8pm all the hot water is gone?

    Also it seems that the boiler has a control to set the temperature on the boiler itself which is at 70 degrees so is this correct as well?

    Just want to get an idea of I need to get someone out to look at it?


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    #2
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Check the thermostat on the cylinder & also the location of the stat on the cylinder. It should be set to 60C & be located 1/3 of the height of the cylinder from the bottom.
    If all correct, then check the balancing valve on the cylinder coil. Count the number of turns from fully open to fully closed & open half the number of turns. This can depend on some variants though.


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    #3
    reni10
    Registered Users Posts: 1,152 ✭✭✭reni10


    The thermostat was set at 80 degrees so I have now turned it down to 60 but it looks like it is located on the bottom of the cylinder and not the top as per this photo. So should I move it?

    Have also made sure that all the valves are half way open now so we will see how we go.


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    #4
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    It's low alright so it would most likely never switch off.
    You could also open the balancing valve fully open at this time of year. Then crank it down in when heating season begins again.


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    #5
    reni10
    Registered Users Posts: 1,152 ✭✭✭reni10


    Is it a bad thing that it never switches off?

    Also is the balancing Valve the electrical white box like valve?

    shane0007 wrote: »
    It's low alright so it would most likely never switch off.
    You could also open the balancing valve fully open at this time of year. Then crank it down in when heating season begins again.


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    #6
    shane0007
    Closed Accounts Posts: 4,677 ✭✭✭shane0007


    Yes as it will be wasteful of fuel & risk of water being too hot, scalding for young children & elderly.
    The balancing valve is a round red handle on the heating pipe to the cylinder. Clockwise to close, anti-clockwise to open.


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