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