Sta-Rite Max-E-Therm 200K BTU Natural Gas Heater
Availability: In Stock
Order today, to your door by December 5

Sta-Rite SR333HD Max-E-Therm, Low NOx, 333,000 BTU, Natural Gas, Heavy Duty, Cupro-Nickel, Pool and Spa Heater

SKU #: SR333HD

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Short Description

The Max-E-Therm heater is 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
  • Comes with cupro-nickel exchanger which stands up to the harshest of applications
  • Lightest heater in its class


This fast-heating Max-E-Therm heavy duty 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.

Note: This heavy-duty unit comes with cupro-nickel exchanger which stands up to the harshest of applications, like low pH, high flow or heavy use.


Sta-Rite Eco Select Product

Sta-Rite Eco Select Product

Eco Select products save energy, conserve water, reduce noise, or otherwise contribute to a more environmentally responsible pool equipment system