Noritz NR71-SV Guide D'installation page 9

Clearance Requirements from Vent Terminations to Building Openings
* All clearance requirements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code,
ANSI Z223.1 and in Canada, in accordance with NSCNGPIC.
[ For NR71-SV, NR66-SV ]
Maintain the following clearances to any
opening in any building:
• 1.2m (4') below, 1.2m (4') horizontally from,
or 0.3m (1') above any door, operable
window, or gravity air inlet into any building.
0.9m (3') above any forced air inlet within
3m (10').
• 0.3m (1') below, 0.3m (1') horizontally from,
or 0.3m (1') above any door, operable
window, or gravity air inlet into any building.
0.9m (3') above any forced air inlet within
3m (10').
Noritz vent cap
VC4-1 (for NR71-SV)
VC3
* For Installations in Canada, clearances are as follows: To windows, doors, & gravity air inlets: 900mm (36").
To forced air inlets: 1.8m (6'). These clearance requirements hold true for all of the above situations: Indoor,
Outdoor w/vent cap.
(for NR66-SV)
Illustration
1.2m (4')
1.2m (4')
0.3m (1')
0.9m (3')
0.3m (1') 0.3m (1')
0.3m (1')
0.9m (3')
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