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Possible to vent mains too fast?

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Comments

  • PMJ
    PMJ Member Posts: 1,266
    Once anyone is heating sufficiently with pressures that are too low to be used for control I don't think the exact number is very important. The pressure is very low and plenty good enough.
    1926 1000EDR Mouat 2 pipe vapor system,1957 Bryant Boiler 463,000 BTU input, Natural vacuum operation with single solenoid vent, Custom PLC control