Pentair 77707-1421 Conversion Kit - LP to NA 333K

What This Part Is Used For
Pentair 77707-1421 Conversion Kit - LP to NA 333K is a fuel conversion kit for compatible 333K BTU Pentair heaters. It converts the unit from LP to natural gas.

Why This Part Matters
Proper fuel configuration ensures safe combustion and reliable heating. A correct conversion prevents ignition problems and protects internal components. Using the designated kit supports proper heater performance.

Key Features and Specifications

• Manufacturer part number: 77707-1421
• Fuel conversion kit
• LP to natural gas
• For 333K BTU heater models
• Compatible with select Pentair heaters
• Confirm exact heater model before ordering

Installation and Fitment Guidance
Conversions should be handled by licensed gas professionals. Turn off gas and electrical supply before service. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair produces commercial and residential gas heaters used across the industry. Their equipment is supported with dedicated conversion kits. Pentair maintains strong distribution and service support. The brand is respected in pool heating systems.

Common Service Context
This kit is installed when site fuel supply changes from LP to natural gas. It is also used during heater replacement projects.