Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters Make sure filter is clean

Make sure filter is clean and equipment is working properly

Press firmly against hard surface until plastic is punched through

its ergonomic design makes it easy to carry

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

Pentair Natural Gas to Propane Conversion Kit 333 | Max-E-Therm 333NA | 77707-1451 Cartridge Filters Make sure filter is cleanThe 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