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water discharging for overflow

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I have a Viessmann Atola EC-115 that is discharging about 2 pails of water a day through the overflow pipe (live in Toronto Canada). Is there anything I can do or do I call a pro?


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  • Jamie Hall
    Jamie Hall Member Posts: 23,650
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    I presume by overflow you are referring to the pressure/temperature relief valve? Because, unless you live in a tall building, the pressure showing on your gauge seems high. So... check the expansion tank for correct charge, or functioning at all, and if there is an automatic refill, check that.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • neilc
    neilc Member Posts: 2,716
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    and are you making domestic hot water with it ?
    known to beat dead horses