Water Tank - Solar Heating Panels

Discussion in 'Water Heater Forum, Tanks' started by Jakki, Jun 2, 2021.

  1. Jakki

    Jakki New Member

    Joined:
    Mar 30, 2021
    Location:
    UK
    Quick question about the water tank that is being heated by roof solar panels...
    Is it normal for it to make loud gurggling noises as it heats up?

    Once the sun has been shining for a while and the panels begin to get to work the tank makes occasional very load noises. Maybe every 15 minutes or so. Is this normal operation, or do I need to call someone in to take a look at it/

    Thanks
    :)
     
  2. Sylvan

    Sylvan Still learning

    Joined:
    Sep 23, 2004
    Occupation:
    plumbing - fire suppression - boiler inspector
    Location:
    New York
    Not normal
     
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    Sponsor Paid Advertisement

     
  4. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Take some pics of the system and collectors.
     
  5. Bannerman

    Bannerman Well-Known Member

    Joined:
    Mar 19, 2014
    Location:
    Ontario, Canada
    As water is heated, it expands. Has this solar heater been equipped with a thermal expansion tank to absorb the expansion?
     
  6. WorthFlorida

    WorthFlorida The wife is still training me.

    Joined:
    Oct 28, 2009
    Occupation:
    Retired
    Location:
    Orlando, Florida
    Any idea on the temperature of the water circulating? Does the circulator pump run on a timer or temperature rise? There should be a temperature and pressure relief valve, may be one at the solar panels and one at the storage tank. If yes, can you see if any water is being discharged? In the USA, T&P valve on water heaters will open at 200 degrees Fahrenheit or at 150 PSI.

    Is there any device used to prevent over heating? Does the gurgling sound like a tea kettle making noise before boiling?
     
    Sylvan likes this.
  7. Sylvan

    Sylvan Still learning

    Joined:
    Sep 23, 2004
    Occupation:
    plumbing - fire suppression - boiler inspector
    Location:
    New York

    Great questions as over heated water would seem to be the culprit
     
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