Sta-Rite SR333NA Max-E-Therm, Low NOx, 333,000 BTU, Natural Gas, Pool and Spa Heater

Sta-Rite Max-E-Therm 200K BTU Natural Gas Heater
Regular Price: $2,299.99
Sale Price: $1,779.99
after instant rebate
Availability: In Stock
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About the Sta-Rite SR333NA
The Max-E-Therm heater offers high performance with best-in-class energy efficiency.

Pool Heater Features:

  • High efficiency rating makes the Max-E-Therm extremely economical to operate
  • Specially designed fueling and ignition process permits faster warming of your pool and spa
  • Easy-to-read, conveniently-positioned control panel is simple to program
  • Dura-Glas housing will not corrode and stands tough against harsh weather
  • Certified for low NOx emissions and outperforms industry standards for air pollution exhaust.
  • Direct-connects to Sta-Rite System 3 Mod Media filter or easily fits other systems
  • Compact design making it deal for retro-fit installation
  • Lightest heater in its class


Compact Design

Compact Design

The Max-E-Therm's small design means installation is convenient and requires little room for set up. Built as one of the lightest heaters in its class, it makes transportation and installation simple and hassle free

More Information

This fast-heating Max-E-Therm natural gas heater makes your pool irresistible on cool nights. It also allows you to extend your pool season. It can quickly warm your pool or spa. A perfectly balanced mixture of fuel and air is ignited in the combustion chamber, which produces the optimal temperature for faster heating, giving it the best-in-class efficiency rating. The Max-E-Therm offers you the latest advances from Sta-Rite like a rustproof exterior, smart electronics and increased energy efficiency. Combined with a low NOx certification, this heater is an eco-friendly favorite. Whether you're looking for quiet relaxation or wild fun, you'll always enjoy your pool in the warm comfort of Max-E-Therm.

Sta-Rite SR333NA Specifications



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