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boiler question / problem

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coalcracker
coalcracker Member Posts: 51
The bypass loop also tempers the water to the zones to have a more moderate heat at the baseboard/radiators.

The loop may also have a valve installed to force more temperate water out of the top of the boiler.

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  • john_181
    john_181 Member Posts: 93
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    boiler question / problem

  • john_181
    john_181 Member Posts: 93
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    boiler question / problem

    I have an old Pennco boiler in the building I just bought. I have two questions. First, why would there be a pipe connecting the hot side to the cold side? Second, correct me if I am wrong....the hot water should exit the two pipes on the top of the boiler and the cold water should enter at the bottom - right? Now when the boiler gets hot and the pump turns on the cold water is entering the top and only luke warm water is exiting the bottom and the boiler is still at 150 degrees??????? Is the pump in backwards - I have a picture of the system - just email me jwmirz@aol.com

    Thank you
  • Ken_40
    Ken_40 Member Posts: 1,320
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    In regard to Q1: A bypass pipe is frequently installed to prevent the boiler from not reaching 140+ degrees - the point below which many boilers will self-destruct from excessive condensation.

    In regard to Q2: Correct. and, See answer above.

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