Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Nature2 Solar cover reel handle replacement

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Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Nature2 Solar cover reel handle replacementWhat This Part Is Used For The Pentair 77707 0113 Air Orifice Kit is used in compatible 400K BTU Pentair heaters to regulate airflow within the burner Assembly. It supports proper combustion and ignition. Why This Part Matters A worn or incorrect orifice can cause flame instability and shutdown issues. Replacing the kit helps maintain efficient burner performance. Proper air regulation protects heat exchanger components. Key Features and