Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Pool Table Their suction safety components integrate

Their suction safety components integrate with Hayward circulation systems commonly used in residential pools

Their product ecosystem focuses on consistent fit and replacement over time

Smooth telescoping drawer for quick access and easy closure

startup and vent performance can break down quickly

Pentair Air Orifice Kit, for 400K Heater | 77707-0113 Pool Table Their suction safety components integrateWhat 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