Sentence 9.21.3.2.(2)

  1. OS1
  2. OS3
  3. OP1
  4. OH1

Objective

OS3 Safety in Use

Attribution

Intent

Intent 1:

To limit the probability that protrusions into the flue will lead to turbulence and an inefficient flow of flue gases, which could lead to the spillage of combustion products, which could lead to the leakage of carbon monoxide gas into living space, which could lead to the acute poisoning or asphyxiation of persons.

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