Low NOx
Eco-Defender™ models emit 75% less NOx emissions than standard models to help protect our environment – all while maintaining optimal combustion efficiencies and performance.
Our exclusive Defender Safety System® protects against external vapor ignition, ensuring safe operation and peace of mind.
Eco-Defender™ Series Gas Water Heaters
With a state-of-the-art radiant burner and an advanced control system, the Eco-Defender™ Ultra Low NOx water heaters deliver proven performance while setting the standard for low NOx emissions to protect our environment.