Pentair Propane to Natural Gas Conversion Kit – 333 Model | Max-E-Therm | 77707-1421 Diving Board Parts Never use petroleum-based lubricants —

Never use petroleum-based lubricants — they degrade rubber O-rings and will cause premature failure

Protect All Supreme is an easy-to-use product that removes problems such as calcium and scale-buildup on pools

Technologically advanced and highly concentrated pool water clarifier

Size: 33' Diameter

Deep Clean Application: Clean filters up to 24” in diameter

Pentair Propane to Natural Gas Conversion Kit – 333 Model | Max-E-Therm | 77707-1421 Diving Board Parts Never use petroleum-based lubricants —The Pentair Propane to Natural Gas Conversion Kit (77707 1421) is the OEM replacement conversion kit for the Sta Rite Max E Therm 333 propane pool and spa heater converting the burner system from liquefied propane gas (LP) to natural gas (NG) operation. IMPORTANT: KIT CONTENTS This listing is for a kit that includes items 3 & 4 from the Max E Therm 333 burner assembly. This kit is not included with the heater and must be ordered separately when a fuel