56
¾
¾
12 in. (305mm) min. separation
between bottom of combustion
air and bottom of vent (Typ.)
A13077
Fig. 47 -- Combustion Air and Vent Pipe Termination for Direct Vent (2--Pipe) System
Abandoned masonry
used as raceway
(per code)
12 in. (305 mm) min. from
overhang or roof
Maintain 12 in. (305mm)
minimum clearance
above highest anticipated
snow level or grade
whichever is greater.
Side wall termination
with 2 elbows (preferred)
12 in. min. (305 mm)from
overhang or roof
Maintain 12 in. (305mm)
minimum clearance
above highest anticipated
snow level or grade
whichever is greater
6 in. (152mm) minimum clearance
between wall and end of vent pipe.
10 in. (254mm) maximum pipe length
Sidewall Termination
with Straight Pipe (preferred)
Roof Termination (Preferred)
Vent
Maintain 12 in .
minimum clearance
above highest anticipated
snow level maximum of
24 in. (610mm) above roof.
90°
(305mm)
A05091
Fig. 48 -- Vent Pipe Termination for Non--Direct Vent and Ventilated Combustion Air System
912SB
To Next Page
Loading...
Need help?
General
