Pentair Gas Conversion Kit, Propane to Natural Gas, for 400K Heater | 77707-1411 Round Fire & Water Bowl It provides a 2 inch

It provides a 2 inch socket connection for PVC piping

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This accessory is a direct replacement designed for Elevation X 36 installations

Outer stack connection is rusted

Pentair Gas Conversion Kit, Propane to Natural Gas, for 400K Heater | 77707-1411 Round Fire & Water Bowl It provides a 2 inchWhat This Part Is Used For Pentair 77707 1411 Conversion Kit LP to NA 400K is a fuel conversion kit for compatible 400K BTU Pentair heaters. It converts the heater from LP to natural gas configuration. Why This Part Matters Incorrect fuel setup can cause unstable combustion and heater shutdown. Using the correct conversion kit ensures proper burner performance and safety. Proper configuration protects internal heater components. Key Features and