Related illustrations
1092Combustion air duct clearances
· p. 191
The illustration shows a cross section through a masonry fireplace and chimney with a combustion air duct running beneath the floor to an outdoor air intake at the exterior wall. Arrows indicate outdoor air traveling thr
1091Outdoor intake screening
· p. 191
The illustration shows a cross section through a masonry fireplace and chimney with an outdoor combustion-air supply duct. The duct passes through the exterior wall below the floor framing, runs through the chimney found
