THE ULTIMATE IN EFFICIENCY
Delivering our 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. The Ultra Series also offers our most hot water capacity per BTU, with the ability to support multiple, simultaneous hot water demands and more venting solutions on the same unit.
Rinnai Tankless Water Heaters deliver trusted quality and proven reliability you can count on. From efficient, durable products to experienced support, there is simply no better choice than Rinnai.
Wide range of quality product offerings
Easy, safe ventilation options
Engineering application support for commercial customers
Industry-leading recirculation capabilities
More venting solutions on the same unit
UNIQUE FEATURES OF ULTRA SERIES
Energy Factor of up to .96
Available in three sizes: 152,000, 180,000, and 199,000 BTU.
Allows for either Concentric Polypropylene or PVC/CPVC venting, providing the most venting flexibility in a single application of any manufacturer.
Faster hot water provided by integrated recirculation pump and internal bypass line inside the unit.
Easy maintenance is achieved with included isolation valves.