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NFPA 90B Standard for the Installation of Warm Air Heating & A/C Systems
The NFPA 90B: Standard for the Installation of Warm Air Heating and Air-Conditioning Systems provides the most up-to-date guidelines to keep fire and smoke from spreading through indoor environmental systems in small buildings and 1- and 2-family dwellings. Rules cover construction, installation, operation, and maintenance of systems for warm air heating and air conditioning, including filters, ducts, and related equipment to protect life and property from fire, smoke, and gases resulting from fire or conditions having manifestations similar to fire.
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|Dimensions||12 × 9 × 1 in|