- Lightweight – Lightest heater in its class
- Compact Design – Ideal for retro-fit installation
- Lower Operating Costs – 84% efficiency rating – rated 1st in its class for highest energy efficiency
- Rustproof Housing Sleek, matte black enclosure is made of Dura-Glass – an exclusive Sta-Rite material that handles the heat and weathers the elements
Product Description
First in its class – Sta-Rite Max-E-Therm Low NOx heaters offer the best in pool heating.
Indulge in the warmth of your pool even as cool weather approaches without a single concern. Max-E-Therm offers advanced technology – a weather-proof frame, effortless controls, and an environmentally conscience exhaust.
Perfect for pools and spas, each Max-E-Therm features an LED temperature readout with dual thermostat controls, 6-position control pa… More >>
Sta-Rite SR333NA Max-E-Therm 333-BTU Natural Gas Pool and Spa Heater, Black











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