Pentair Mastertemp & Sta-Rite Max-E-Therm 400K BTU Propane to Natural Gas Conversion Kit | 77707-1411Product Overview The Pentair MasterTemp & Sta Rite Max E Therm 400K BTU Propane to Natural Gas Conversion Kit 77707 1411 is a genuine Pentair replacement conversion kit designed for converting compatible 400,000 BTU pool and spa heater burner systems from propane LP gas to natural gas NG operation. It is used with select Pentair MasterTemp 400K and Sta Rite Max E Therm 400K heaters where the correct fuel conversion components are required for safe,

Built to OEM specifications

Built with polymer headers

Tapered collar design — supports proper fitment inside compatible plumbing

Commercial pools

The Pentair Clean & Clear Plus 420 sq ft Cartridge Filter | EC-160301 is a premium

Please verify your system model before purchasing

and premature seal failure

and long 150-foot cord is a robust and reliable choice for illuminating your in-ground pool

and heavy-use pool and spa applications when properly sized and code-approved

and flexible orientation options for plumbing and gas line setup

this light runs cooler for longer life and consistent brightness

Simplifies pool care: Combines two common water-care steps into one easy application