Pentair NG to Propane Conversion Kit Model 300 | MasterTemp / Max-E-Therm | 460755 C7489 providing the threaded interface that

providing the threaded interface that connects the pressure gauge to the filter tank

6-way valve

The impeller is the rotating component inside the pump volute responsible for generating flow

This spring check valve is listed as optional equipment for the PLM and PLD filter systems — it is not included as standard

Instruction manual (see below for PDF)

Pentair NG to Propane Conversion Kit Model 300 | MasterTemp / Max-E-Therm | 460755 C7489 providing the threaded interface thatThe Pentair NG to Propane Conversion Kit (460755) is the OEM replacement conversion kit for the MasterTemp and Max E Therm Model 300 pool heater allowing a natural gas unit to be reconfigured for liquid propane fuel supply. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED GAS CONVERSION Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage