When HVAC equipment is supplied with more than one CFM rating, which rating do I use?
Where HVAC equipment manufacturers show multiple cubic feet per minute (CFM) ratings and/or multiple water gauge ratings, you must use the highest rated capacity.
[Statutory Authority: RCW
43.22.340,
43.22.350,
43.22.355,
43.22.360,
43.22.400,
43.22.432,
43.22.433,
43.22.434,
43.22.450,
43.22.480, and
43.22.485. WSR 00-17-148, ยง 296-150F-0630, filed 8/22/00, effective 9/30/00.]