Loosing water Pressure

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Eric_31
Eric_31 Posts: 17
in THE MAIN WALL
I am loosing water pressure in my heating system. I have no leaks and the expansion tank seems Ok as it is not waterlogged. How can I check for sure if the tank is working?

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  • bruce_21
    bruce_21 Posts: 246


    If there is no visible water leaking, you could have and internal leak that is sending water up the chimney. Can you see all the lines? Nothing running through inaccessable crawl spaces? Unwaterlogged doesn't mean not leaking just not full of water.
  • Jamie Hall
    Jamie Hall Posts: 27,916
    sorry, my friend...

    but if you are losing pressure, you have a leak. Somewhere, somehow. Two choices: the expansion tank itself is leaking air, which is unlikely and would lead to a waterlogged tank eventually, or you are losing water. Seek and ye shall find...
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
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