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Thread: Is there a maximum height for a Thermosyphon hot water system to work ?

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    DIY Junior Member TheycallMeDave's Avatar
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    Default Is there a maximum height for a Thermosyphon hot water system to work ?

    If a solar collector is mounted on the ground and there is a horizontal (inclinded) piping run of 25' (each for supply and return) then a vertical run of 10' to the water heater tank....will the water still move adequately ? Are there limits ?? Thanks.

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    Jack of all trades DonL's Avatar
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    Quote Originally Posted by TheycallMeDave View Post
    If a solar collector is mounted on the ground and there is a horizontal (inclinded) piping run of 25' (each for supply and return) then a vertical run of 10' to the water heater tank....will the water still move adequately ? Are there limits ?? Thanks.
    Yes, There are limits. You can do the math. At sea Level you may be close to the limit.

    Depends on the temperature of the output, and other unknown variables.


    DonL
    Theory only works perfect in a vacuum.

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    DIY Junior Member TheycallMeDave's Avatar
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    Quote Originally Posted by DonL View Post
    Yes, There are limits. You can do the math. At sea Level you may be close to the limit.

    Depends on the temperature of the output, and other unknown variables.


    DonL
    Im having trouble finding suitable info online regarding this , so, let me know if you happen to find something. Thanks. Or...ill just to have install it and find out by trial and error.

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    Jack of all trades DonL's Avatar
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    Quote Originally Posted by TheycallMeDave View Post
    Im having trouble finding suitable info online regarding this , so, let me know if you happen to find something. Thanks. Or...ill just to have install it and find out by trial and error.
    Hot liquid rises and you can apply the simple laws.

    But you are correct "ill just to have install it and find out by trial and error."

    There are a lot of variables in the equation.

    But can be done. Add a pump if need be.


    DonL
    Theory only works perfect in a vacuum.

    Cyber Security Protection for Windows C:\ > WWW.WinForce.Net

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