Sta-Rite Max-E-Therm 400K BTU HD Cupro-Nickel Natural Gas Heater SR400HD

Max-E-Therm pool and spa heaters include an LED temperature readout with dual thermostat controls, temperature safety lockout and a 6-position control panel. Sta-Rite PMG burner technology requires no outdoor draft hood. The heater is constructed of proven Dura-Glas rust-proof construction with a plastic manifold and PVC union connections. This heavy duty unit comes with a cupro-nickel heat exchanger which stands up to the harshest of applications including low pH, high flow or heavy use. An Eco Select Choice, the Max-E-Therm high performance pool and spa heaters offer best-in-class energy efficiency and they are certified for low NOx emissions making them eco-friendly favorites.

More Information
Delivery Time LTL Freight 2-7 Business Days
Manufacturer Sta-Rite
Technical Specs

BTU: 400,000
Gas Type: Natural Gas (NG)
Heat Exchanger: Cupro-Nickel

Product Documentation
SKU STA-15-508
Manufacturer Part # SR400HD
Product Features
  • Heavy Duty pool and spa heater
  • Cupro Nickel heat exchanger
  • Lower Operating Costs 
  • 84% efficiency rating
  • Rated 1st in its class for highest energy efficiency
  • Environmentally Friendly - All units are low NOx
  • Designed for faster heat-ups
  • Lightest heater in its class
  • Easy-to-read, conveniently positioned control panel
  • Compact design is ideal for retro-fit installation
  • Easy to change gas sources with installation of separate orifices
  • Sleek, matte black enclosure
  • Custom or Retrofit - Direct-connects to Sta-Rite System:3 Mod Media filter or easily fits other systems
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