Accueil >  Term: राहत उद्घाटन
राहत उद्घाटन

The opening provided in a draft hood to permit the ready escape to the atmosphere of the flue products from the draft hood in the event of no draft, back draft, or stoppage beyond the draft hood, and to permit inspiration of air into the draft hood in the event of a strong chimney updraft.

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  • mitraashutosh
  • (India)

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