Sentence 9.21.2.2.(4)

  1. OH1
  2. OS3

Objective

OH1 Indoor Conditions

Attribution

Intent

Intent 1:

To limit the probability that the ignition of a liquid-fuel-burning appliance will lead to a relatively sudden increase in flue pressure, which could lead to the spillage of combustion products from natural-gas- or propane-burning appliances into living space, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.

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