Max-E-Therm Pool and Spa Heater

For indoor or outdoor installations on pools and spas. Features include an LCD 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 Resin provides rust-proof construction. Heavy-duty (HD) unit with cupro-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use.

Featured Highlights

Lightweight – Lightest heater in its class
Best-in-class – energy efficiency*
Compact Design – Ideal for retro-fit installations
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
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
Certified for outdoor and indoor installations
For Air Intake Kit order part number 475002

Ordering Information

Product 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 Heater 400 149
460764 Max-E-Therm 400 BTU ASME LP Heater 400 149



WARNING: Cancer and Reproductive Harm.
AVERTISSEMENT: Peut Causer le Cancer et des Dommages au Système Reproducteur.
ADVERTENCIA: Cáncer y Daño Reproductivo.


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