Barometric dampers may not be used for combustion air as allowed by IFC section 304.3 and NFPA 54-2015 section 9.3.1.4.
Wis. Admin. Code Department of Safety and Professional Services SPS 364.0701
Barometric dampers may not be used for combustion air as allowed by IFC section 304.3 and NFPA 54-2015 section 9.3.1.4.
Wis. Admin. Code Department of Safety and Professional Services SPS 364.0701