Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters it delivers reliable filtration performance

it delivers reliable filtration performance as a direct cross-reference replacement

pressure-stable connection between the Hi-Flow valve and the plumbing system

Press firmly against hard surface until plastic is punched through

OPPOSITE END BEARING BALL

Curved edges mean no sharp spots to damage pool sides

Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters it delivers reliable filtration performanceThe Pentair Natural Gas to Propane Conversion Kit (77707 1451) is the OEM replacement conversion kit for the Pentair (formerly Sta Rite) Max E Therm 333 Natural Gas pool heater. This kit is not included with the heater and must be ordered separately when converting the unit from natural gas to propane operation. IMPORTANT: KIT LISTING INCLUDES ITEMS 3 & 4 This listing is a kit, not a single component. It includes items 3 and 4 as identified in the Max