Product Details
The Rinnai® Demand Duo™ H-Series is a high-performance, high-efficiency water heating system designed to provide reliable hot water while reducing the cost of ownership. This hybrid technology features vertically stacked tankless engines that deliver redundancy and eliminate "no hot water" events, enhancing commercial reliability. The system has a Uniform Energy Factor (UEF) of 0.98, with a heating capacity ranging from a minimum of 15,000 BTU (4.3 kW) to a maximum of 398,000 BTU (116.6 kW), and is intended for indoor installation. The Demand Duo™ H-Series offers up to twice the lifespan of most traditional tanks and ensures continuous hot water supply. It has a compact size designed to fit various spaces and includes features such as a digital display, energy usage tracking, freeze protection, a glass-lined tank, overheat protection, a temperature pressure relief valve, WiFi capability, and Ultra Lonox technology. The package includes the water heater with these integrated features and carries warranty terms as specified by Rinnai.
