Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2020 | 08/14/2020 - 14:26 | 5.0502.1a | Design | Calculate combustion air needs in conformance with the applicable code (i.e., NFPA 54, IFGC, or NFPA 31) and manufacturer requirements In instances where conflicts occur between the code and the manufacturer's installation instructions, the more restrictive provisions shall apply (i.e., more air rather than less) The minimum required volume is 50 cubic feet per 1,000 BTU/h, except that where the air infiltration rate is known to be less than 0.40 air changes per hour (ACH), then use alternate calculation from IFGC |
Compliant and safe amount of combustion air for appliance |
Black Line | ||
| Version 2020 | 08/14/2020 - 14:26 | 5.0502.1a | Design | Calculate combustion air needs in conformance with the applicable code (i.e., NFPA 54, IFGC, or NFPA 31) and manufacturer requirements In instances where conflicts occur between the code and the manufacturer's installation instructions, the more restrictive provisions shall apply (i.e., more air rather than less) The minimum required volume is 50 cubic feet per 1,000 BTU/h, except that where the air infiltration rate is known to be less than 0.40 air changes per hour (ACH), then use alternate calculation from IFGC |
Compliant and safe amount of combustion air for appliance |
Black Line |