Features and Specifications:
- ENERGY STAR® qualified
- 15-year limited heat exchanger, 5 yrs limited parts Residential use
- Energy Factor of 0.93
- Comes in either NG or LP
- Maximum flow rate of 6.6 GPM at 35°F temperature rise (4.3 GPM at 70°F rise)
- Primary heat exchanger utilizes HRS35 commercial-grade copper alloy for 25 times better heat transfer than stainless steel
- Secondary heat exchanger utilizes 316L stainless steel for better corrosion resistance
- NSF certified for commercial applications
- Complies with Ultra-Low NOx regulations of less than 14 ng/J (<20ppm)
- Includes wired remote control as standard feature
- Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes