Appliances located in unconfined spaces:
a)An unconfined space is one whose volume is greater than 50 cubic feet per 1000 Btu per hour of the combined rating of all appliances installed in the space. That would be 2000 cubic feet for the AquaStar 38B alone.
b)In unconfined spaces in buildings of conventional frame, masonry, or metal construction, infiltration is normally adequate to provide air for combustion, ventilation, and dilution of flue gasses.
Identification labels are found on the shipping box, and on the rating plate which is located on the right side panel of the cover. Also, each burner orifice is stamped with a number (79 for LPG and 120 for Natural Gas).
5 ½”
WALL STUDS
SUPPORT BOARD
1” X 4”
SPACE BOARD
Fig. 1 - Mounting the Heater
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