DIRECT AIR INTAKE DUCT WITH 3-INCH PVC PIPE KIT - 474845

$221.99

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Model # 474845

By Pentair Pool Products


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Model # 474845

Product Description

Direct Air Intake Duct with 3-inch PVC Pipe (Indoor Installation) For indoor heater installations where combustion air supply might be insufficient, the MasterTemp® and Max-E-Therm® heaters are certified for a direct air intake duct using 3-inch PVC pipe. If outside air is drawn through 3” PVC duct directly into the heater, PVC pipe can be installed in accordance with the following requirements: The air intake opening MUST be installed at least 1 ft. above the roof line or normal snow levels for free air flow. The Category I or III exhaust vent termination cap must have at least 3 ft. minimum vertical clearance from air intake duct. See diagram on next page

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