Mechanical · IFGC 2021 §503.8
Gas Vent Terminal Clearances
Elevation of a direct-vent terminal 12 in above grade and 9 in from an openable window (10,000 to 50,000 Btu/hr band), with Table 503.8 rows B to M summarized.. Referenced to IFGC 2021 §503.8.
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