Eternal GU145 (S), Operation Manual

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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.
Vent Clearances When Heater is Installed Indoors
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Vent Clearances When Heater is Installed Outdoors With a Vent Cap
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Maintain the following clearances to any opening in any building:
● 4' below, 4' horizontally from, or 1' above any door, operable window, or gravity air inlet into any building.
3' above any forced air inlet within 10'.
Maintain the following clearances to any opening in any building:
● From the unit: 4' below, 4' horizontally from, or 1' above any door, operable window, or gravity air inlet into any
building.
3' above any forced air inlet within 10'.
For outdoor installation, we recommend using the outdoor venting cap for rain protection.
For Installations in Canada, clearances are as follows: To windows, doors, & gravity air inlets: 36".
To forced air inlets: 6'. These clearance requirements hold true for all of the above situations: Indoor, Outdoor w/vent cap.
WARNING
! !
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Outdoor Venting Cap