Demand Duo R-Series Hybrid Water Heating System has more than 2X the warranty of most traditional atmospheric tanks, and new features that simplify installation and boost performance. The Demand Duo R-Series Commercial Hybrid Water Heating System is a more cost-effective alternative to standard efficiency tanks. It easily installs into apartments, hotels, restaurants, and more! NO Thermal Stress, Extended Service Life, Integrated Pump Control, 100% Tank Capacity, 100-200 lbs. lighter than most tanks, and $250 estimated Installation savings provide unmatched performance and low cost of ownership.
Hybrid Design uses 80 gallon tank and 199,000 BTU tankless unit to provide First Hour Delivery up to 249 gallons @ 100°F
Longer warranty up to 2X longer than traditional tanks
Optimized performance delivers abundant hot water even during peak hours
Vent into 6" B Vent exhaust connector
Tank-tankless design produces no thermal stress on tank, for longer life and reduced risk of downtime or leaks
Reduce cost of ownership with low cost component repair vs replace entire traditional system
Lighter weight for easier handling
DuoSmart Digital Controller for temperature precision and recirculation control (no aquastat required)
Gas Swivel Flex Line rotates 360° allowing 36"-long, 180° radius to connect to gas supply line