Originally Posted by
Frank Bombardiere
Is there anything in the National Fuel Gas Code ANSI Z223.1 (NFPA54) that states that a sealed burner water heater has to be 18" off the garage floor?
2006 IRC G2408.2 and IFGC 305.3 have an exception that says "Elevation of the ignition source is not required for appliances that are listed as flammable vapor ignition resistant".