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Max-E-Therm 400 BTU Natural Gas Pool Heater SR400HD


175.00 LBS
Free Ground or Expedited Shipping Calculated at Checkout
  • Product Description

    Sta-Rite® Max-E-Therm® 400 BTU Natural Gas Heater

    Model Number: SR400HD

    Heater for Pools and Spas


    Get that warm-all-over feeling

    Heavy-duty unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use

    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.


    An Eco Select Choice: Max-E-Therm® high performance heaters offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites.




    • 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 PROD:Dura-Glass - an exclusive Sta-Rite material that handles the heat and weathers the elements
    • Lower Operating Costs - 84% efficiency rating - rated 1st in its class for highest energy efficiency
    • Custom or Retrofit - Direct-connects to Sta-Rite System:3® Mod Media filter or easily fits other systems

    Product Specifications


    Part # Description BTU (000's) Carton Wt
    SR200NA Max-E-Therm 200 BTU Natural Gas Heater 200 131
    SR200LP Max-E-Therm 200 BTU Propane Gas Heater 200 131
    SR200HD Max-E-Therm 200 BTU Heavy Duty Heater 200 131
    460767 Max-E-Therm 250 BTU ASME Natural Gas Heater 250 151
    460768 Max-E-Therm 250 BTU ASME Propane Gas Heater 250 151
    SR333NA Max-E-Therm 333 BTU Natural Gas Heater 333 138
    SR333LP Max-E-Therm 333 BTU Propane Gas Heater 333 138
    SR333HD Max-E-Therm 333 BTU Heavy Duty Heater 333 138
    SR400NA Max-E-Therm 400 BTU Natural Gas Heater 400 138
    SR400LP Max-E-Therm 400 BTU Propane Gas Heater 400 138
    SR400HD Max-E-Therm 400 BTU Heavy Duty Heater 400 138
    460763 Max-E-Therm 400 BTU ASME NA 400 149
    460764 Max-E-Therm 400 BTU ASME LP 400 149

    NOTE: The Max-E-Therm® is certified for low NOx emissions for southern California (SCAQMD) and in Texas

    Product Reviews

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