Carrier PG95ESU User Manual page 43

PG95ESU: Installation, Start-up, Operating and Service Maintenance Instructions
¾ in. (222mm) for 3 in. (76mm)
¾ in. (172mm) for 2 in. (51mm)
Fig. 56 – Combustion Air and Vent Pipe Termination for Direct Vent (2-Pipe) System
Fig. 57 – Vent Pipe Termination for Non-Direct Vent and Ventilated Combustion Air System
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
12 in. (305mm) min. separation
between bottom of combustion
air and bottom of vent (Typ.)
Roof Termination (Preferred)
Vent
Maintain 12 in (305mm) .
minimum clearance
above highest anticipated
snow level maximum of
24 in. (610mm) above roof .
Abandoned masonry
used as raceway
(per code)
12 in. (305 mm) min. from
overhang or roof
90°
Maintain 12 in. (305mm)
minimum clearance
above highest anticipated
snow level or grade
whichever is greater.
Side wall termination
with 2 elbows (preferred)
43
12 in. min. (305 mm)from
overhang or roof
6 in. (152mm) minimum clearance
between wall and end of vent pipe.
10 in. (254mm) maximum pipe lengt h
Sidewall Termination
with Straight Pipe (preferred)
A13305
Maintain 12 in. (305mm)
minimum clearance
above highest anticipated
snow level or grade
whichever is greater
A05091