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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.
1. An appliance is considered to be outdoors if installed with shelter no more inclusive than with walls on
three sides, but with no overhead cover; all openings must be permanently open; sliding doors, garage
doors, windows, or screened openings are not considered as permanent openings.
2. An appliance is considered to be outdoors if installed with shelter no more inclusive than within a partial
enclose that includes an overhead cover and no more than two sidewalls. The sidewalls may be parallel,
as in a breezeway, or at right angles to each other; all openings are not considered as permanent
openings
3. An appliance is considered to be outdoors if installed with shelter no more inclusive than within a partial
enclosure that includes an overhead cover and three sidewalls, as long as 30% or more of the horizontal
periphery of the enclosure is permanently open. All openings must be permanently open; sliding doors,
garage doors, windows, or screened openings are not considered as permanent openings.
Diagrammatical Representation Of "Outdoor Areas"
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