9.33.6.13.(7)

Objective

OH1 Indoor Conditions

Attribution

(a),(b)[F44-OH1.1]

Intent

Intent 1:

To limit the probability that combustion products will be extracted from openings in furnace fire chambers or flue pipes and enter return-air and supply ducts, which could lead to negative effects on the air quality of indoor spaces, which could lead to harm to persons.

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