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Sta-Rite Max-E-Therm 400k BTU Propane Pool Heater
Sta-Rite Max-E-Therm 400k BTU Propane Pool Heater
Part #: SR400LP

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Owner's Manual
Product Specs

Pool And Spa Heater

For indoor or outdoor installations on pools and spas. Features include an LED temperature readout with dual thermostat controls, temperature safety lockout, and 6-position control panel. PMG burner technology requires no outdoor draft hood. Proven Dura-Glas rust-proof construction with plastic manifold and PVC union connections. Heavy-duty unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.


  • Lightweight - Lightest heater in its class
  • Compact Design - Ideal for retro-fit installation
  • Easy to Switch - Change gas sources with installation of separate orifice
  • Environmentally Friendly - All units are low NOx
  • Rustproof Housing - Sleek, matte black enclosure is made of Dura-Glas - an exclusive Sta-Rite material that handles the heat and weathers the elements
  • Best in class energy efficiency*
  • Custom or Retrofit - Direct-connects to Sta-Rite System:3? Mod Media filter or easily fits other systems