OutdOOr AreAs
This appliance shall only be used in an above ground open-air situation with natural ventilation, without stagnant
areas, where gas leakage and products of combustion are rapidly dispersed by wind and natural convection.
Any enclosure in which the appliance is used shall comply with one of the following:
• An enclosure with walls on all sides, but at least one permanent opening at ground level and no overhead
cover. See figure 1.
• Within a partial enclosure that includes an overhead cover and no more than two walls. See figure 2 & 3.
Within a partial enclosure that includes an overhead cover and more than two walls, the following shall apply:
1. At least 25% of the total wall area is completely open; and
2. At least 30% of the remaining wall area is open and unrestricted.
In the case of balconies, at least 20% of the total of the side, back and front wall areas shall be open and
unrestricted.
Open side at least
25% of total wall area
Open side at least
25% of total wall area
30 percent or more in total
of the remaining wall area
is open and unrestricted
30 percent or more in total
of the remaining wall area
is open and unrestricted
Figure F4 - Outdoor Area - Example 4
Figure F5 - Outdoor Area - Example 5
Both ends open
Figure F1 - Outdoor Area - Example 1
Figure F2 - Outdoor Area - Example 2
Figure F3 - Outdoor Area - Example 3