Pentair Max-E-Therm®333,000 BTU Pool and Spa Heater (Natural Gas)

Pentair Max-E-Therm®333,000 BTU Pool and Spa Heater (Natural Gas)


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Pentair 'Trade Grade' products can not be sold online as per manufacturer. Contact us to find out how our professional installation services can extend product warranty!

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

Dimensions - 26" x 26" x 30"
Voltage - 120/240
Plumbing - 2"
Warranty - 2 Years (proof of professional installation required)
Pool type - inground

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*Standard copper heat exchanger 84% efficient. Heavy-duty (HD) cupro-nickel heat exchanger 82% efficient.