Notes on installation and operation
39
Greenstar – 6721822579 (2021/01)
Fig. 31 Vent and combustion air pipe position
[1] Forced Air Inlet
[2] Gravity Air Inlet
[3] Exhaust terminal
X
1
1 foot (305 mm)
X
2
Clearance in accordance with local installation codes and the
requirements
1)
X
3
1 foot (305 mm)
3 feet (915 mm) in Canada for models ZBR 35-3 A and
ZBR 42-3 A
X
4
Clearance in accordance with local installation codes and the
requirements
1)
X
5
7 feet (2135 mm)
2)
Y
A
At least 1 foot (305 mm) above grade or snow line
Y
B
Exhaust terminal must be at least:
3 feet (915 mm) above forced air inlet within
10 feet (3050 mm) horizontally - USA
6 feet (1830 mm) above forced air inlet - Canada
X
1
X
2
X
3
X
4
X
5
X
1
X
1
X
2
X
3
X
3
1
2
Y
A
Y
B
Y
A
6 720 641 933-17.1O
3
3
3
3
1) For Clearances not specified in ANSI Z223.1 / NFPA 54 or CSA B149.1
Clearance in accordance with local installation codes and the requirements of
the gas supplier including the Authority Having Jurisdiction.
2) vent shall not terminate directly above a sidewalk or paved driveway that is
located between 2 single family dwellings and serves both dwellings.
To Next Page
Loading...
Need help?
General