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

Availability: In Stock

Regular Price: $2,679.99

Sale Price $2,399.99

You Save: $280.00  (10%)

Quick Overview

The Sta-Rite Max-E-Therm SR400HD Natural Gas Pool Heater has a Heavy Duty Cupro Nickel Heat Exchanger and is for indoor or outdoor installations on pools and spas. Unlike other heaters, Max-E-Therm offers you the latest advances from Sta-Rite®: a rustproof exterior, smart electronics and increased energy efficiency. The fast-heating Max-E-Therm makes your pool irresistible on cool nights and also allows you to extend your pool season.

Heavy-duty units with cupro-nickel exchangers stand up to the harshest of applications, like low pH, high flow or heavy use.

Sta-Rite Max-E-Therm Heater Brochure

Sta-Rite Heater Parts


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.

  • 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
Additional 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

Sta-Rite Max-E-Therm Owners Manual

SKU STA-15-508
Manufacturer Part # SR400HD
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