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·Installation tips Model 38B Follow information provided on this page. Installation and service must be performed by a qualified installer, service agency or the gas supplier. Other tips: when venting it is best to rise 12" off top of heater before making any 45 or 90 degree elbows , then rise ¼" per foot when running any horizontal vent pipe. Size gas line properly. Install the provided gas regulator with its directional arrow facing the gas flow path (also be sure to properly regulate Liquid Propane or Natural Gas at source when supplying Aquastar), this small regulator that is provided is NOT to be used on a high pressure line. ·Required clearances
·Combustion Air Required Model 38B In order to ensure an adequate supply of combustion air, the National Fuel Gas Code requires that any conventional vented gas appliance be installed in a room with a minimum volume of 50 cubic feet per 1,000 Btu/hr rated input. The following is the minimum size of the open space in which the Aquastar may be installed in compliance with this requirement:
If the Aquastar is installed in an area smaller than indicated above, then the installer must make special provisions for combustion air in the form of two openings, each one within 12" of the top and 12" of the bottom of the space, having a total free area of 1 square inch per 1,000 Btu/hr of rated input if the air is taken from inside the house. This requirement reduces to 1 square inch per 4,000 Btu/hr if the air is taken from the outside. Note: This calculation assumes normal rates of "infiltration" of outside air. A super-insulated, super-tight space/building may require outside air for the Aquastar even though the volume/area of the space meets this application. Caution: In addition to the above, the Aquastar must be properly vented to ensure safe and efficient operation. |
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