Bosch Greenstar Series Installation And Service Instructions For Contractors page 39

3
X
3
Fig. 31 Vent and combustion air pipe position
[1] Forced Air Inlet
[2] Gravity Air Inlet
[3] Exhaust terminal
X 1 foot (305 mm)
1
X Clearance in accordance with local installation codes and the
2
1)
requirements
X 1 foot (305 mm)
3
3 feet (915 mm) in Canada for models ZBR 35-3 A and
ZBR 42-3 A
X Clearance in accordance with local installation codes and the
4
1)
requirements
2)
X 7 feet (2135 mm)
5
Y At least 1 foot (305 mm) above grade or snow line
A
Y Exhaust terminal must be at least:
B
3 feet (915 mm) above forced air inlet within
10 feet (3050 mm) horizontally - USA
6 feet (1830 mm) above forced air inlet - Canada
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.
Greenstar – 6721822579 (2021/01)
3
X
X
3
1
3
3
2
X
2
Notes on installation and operation
2
6 720 641 933-17.1O
39