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Cracked Heat Exchanger?

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Comments

  • dullknife1
    dullknife1 Member Posts: 58
    I don’t have my NFG or IFGC, national fuel gas code books, there are charts for gas pipes in there but small lengths just after the meter is probably be ok, because it’s a pressure system,And it’s worked ok for how many years now, 12..
  • dullknife1
    dullknife1 Member Posts: 58
    I need to get better with putting my thoughts down in order. Back to the 2nd check at the heater, with at least the 2 heaters running, the more the merrier, you and your gas buddy should read between 5-7” WC. that’s 5 to 7 inches water column   I hope I’m not boring you, buts that’s how we measure gas pressure. That should be consistent throughout the house at all appliances. 

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