Pentax N-0751M Manuel D'installation page 10

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 N-0751M]
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 win-
dow, 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)
* 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.
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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')