Bosch ZBR16-3A Series Installation And Service Instructions Manual page 41

NOTICE:
▶ Vent terminations must keep the following minimum
clearances from electric meters, gas meters,
regulators and relief equipment: 4 feet (1220 mm)
[Canada 6 feet (1830 mm)] horizontally and in no
case above and below, unless a horizontal distance of
4 feet (1220 mm) [Canada 6 feet (1830 mm)] is
maintained.
3
X
3
Fig. 31 Vent and combustion air pipe position
Direct vent (sealed combustion):
[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) USA
3
3 feet (915 mm) Canada
X Clearance in accordance with local installation codes and the
4
1)
requirements
2)
X 7 feet (2 135 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 (3 050 mm) horizontally - USA
6 feet (915 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) A vent shall not terminate directly above a sidewalk or paved driveway that is located between 2 single family dwellings and serves both dwellings.
Greenstar
3
X
3
3
Fan assisted appliance (non-sealed combustion):
[1]
[2]
[3]
X
X
X
X
X
Y
Y
NOTICE:
▶ 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.
X
2
X
2
1
Forced Air Inlet
Gravity Air Inlet
Exhaust terminal
1 foot (305 mm)
1
Clearance in accordance with local installation codes and the
2
1)
requirements
1 foot (305 mm) USA
3
3 feet (915 mm) Canada
Clearance in accordance with local installation codes and the
4
1)
requirements
2)
7 feet (2 135 mm)
5
At least 1 foot (305 mm) above grade or snow line
A
Exhaust terminal must be at least:
B
3 feet (915 mm) above forced air inlet within
10 feet (3 050 mm) horizontally - USA
6 feet (915 mm) above forced air inlet - Canada
Installation | 41
3
2
6 720 641 933-17.1O
6 720 806 992 (2015/03)