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push-pull pumping

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bovide
bovide Member Posts: 13
in THE MAIN WALL
An engineer told me that a radiant zone circuit needs two pumps-one(on the supply) pushing and the other (on the return) pulling the water. This is to prevent cavitation in the boiler from differences in pressure. Any evidence of this in the field?

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  • Earthfire
    Earthfire Member Posts: 543
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    cavitation?

    how big is the radiant zone and what is the flow rate? never Heard of a problem like that in any "standard" loop lenght system.
  • Earthfire
    Earthfire Member Posts: 543
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