1543.01 Definitions generally.
1543.02 Gravity warm air heating systems.
1543.03 Warm air conditioning and blower systems.
1543.04 Conversion burner.
1543.05 Unit heaters.
1543.06 Repair.
1543.07 Alteration.
1543.08 Replacement.
1543.09 Narrow throat register boxes.
1543.10 Wide throat register boxes.
CROSS REFERENCES
Building regulations definitions - see BLDG. Ch. 1505
Incombustible material defined - see BLDG. 1505.14