Rinnai RU80eN 8.0 GPM Condensing Outdoor Ultra-NOx NG Tankless Water Heater

Delivering Rinnai's most energy-efficient performance, the Ultra Series features a condensing design with two heat exchangers to maximize heating value to enhance reliability and durability and reduce maintenance. 

Specifications:

• ENERGY STAR® Qualified
• Energy Factor of .96 for Natural Gas and Propane
• Built-in Rinnai Circ-LogicTM recirculation program cycles an external pump at pre-set intervals and temperatures to maximize efficiency and comfort (see brochure for more details)
• Enhanced scale detection lessens possibility of serious, long-term damage to unit
• Temperature lock function prevents accidental or unauthorized changes to water temperature
• Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels
• Multiple venting options available including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor allow for an easy installation
• Warranty (Residential) - Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor)
• Warranty (Commercial) - Limited 5-year on heat exchanger, 5-year on parts, 1-year on labor (2-year optional on labor)