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Max-E-Therm Heater
Max-E-Therm Heater

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This product has multiple variations
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Max-E-Therm 333BTU Heater (SR333HD)

Max-E-Therm Heavy Duty Heater (SR400HD)

This product cannot be shipped. Pickup in store only.



Max-E-Therm is the lightest heater in its category, with best-in-class energy efficiency*. It features an LED temperature readout with dual thermostat controls, temperature safety lockout and a six-position control panel for easy operation.

  • Lightweight—lightest heater in its class
  • 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 first in its class for highest energy efficiency
  • Custom or retrofit—directly connects to Sta-Rite System:3® Mod Media Filter or easily fits other systems
  • Certified for outdoor and indoor installations

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Max-E-Therm Heater