Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters its ergonomic design makes it

its ergonomic design makes it easy to carry

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

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

The drive tire is a primary contact surface on the Kreepy Krauly Platinum cleaner

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 its ergonomic design makes itThe 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