Pentair MasterTemp/Max-E-Therm 400 Natural Gas to LP Conversion Kit (77707-1441) swimline For compatible drain repairs and

For compatible drain repairs and installation work

or repeated service can weaken original plastic parts and compromise the seal

Jet trim assemblies influence both how a spa looks and how the jet area is finished around the nozzle opening

Useful when original stud-mounted heaters are worn or failing

Helps support consistent ignition performance

Pentair MasterTemp/Max-E-Therm 400 Natural Gas to LP Conversion Kit (77707-1441) swimline For compatible drain repairs andWhen a repair calls for precision rather than guesswork, this MasterTemp and Max E Therm 400 Natural Gas to LP Conversion Kit is made to fit the listed Pentair and Sta Rite application. It is designed for fuel conversion service where matching the correct heater model, BTU range, and gas type is critical before installation. It helps support proper combustion setup after a qualified service professional verifies manifold pressure, orifices, labeling,