Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters Press firmly against hard surface

Press firmly against hard surface until plastic is punched through

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

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

Make sure filter is clean and equipment is working properly

The Pentair Strainer Basket (C8-58PZ) is the OEM replacement pump strainer basket for the Max-E-Pro

Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters Press firmly against hard surfaceThe 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