Jim Baird Posted May 11, 2020 Report Share Posted May 11, 2020 A gas fired water heater stands in a house's utility room that holds about 60% of the 50 cf per 1K BTU needed to meet code. The room does have a central HVAC supply duct. Does that supply duct negate the room as "confined space"? Quote Link to comment Share on other sites More sharing options...
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