Accessories - Storage Tanks

AFUE Rating 95 Percent (2) AGA Input Rating 11 to 55 MBH (1) 16 to 80 MBH (1) Air Inlet Connection 2 Inch (1) 3 Inch (1) Boiler Dimensions 15-1/2 Inch Length x 17 Inch Width x 33-1/4 Inch Height (1) 18-1/2 Inch Length x 16 Inch Width x 33-1/4 Inch Height (1) Boiler Material Stainless Steel (Heat Exchanger) (2) Burner Type Metal Fiber and Stainless Steel, Low Nox (1) Stainless Steel, Low Nox (1) DOE Heating Capacity 51 MBH (1) 74 MBH (1) Gas Connection 1/2 Inch Threaded (2) Gas Type Natural (2) Ignition Type Direct Spark (2) Net IBR Rating 44 MBH (1) 64 MBH (1) Options CON-X-US Remote Connectivity, ModBus Communication, Condensate Neutralization Kit, Multi-Temperature Loop Control, Flow Switch, Low Water Cut-Off with Manual Reset and Test, Alarm Bell, Concentric Vent Kit, SMART SYSTEM PC Software, Stack Frame, BMS Gateway to LON or BACnet, Sidewall Vent Termination, Wireless Outdoor Sensor (1) ModBus Communication, Flow Switch, Low Water Cut-Off with Manual Reset and Test, Alarm Bell, Concentric Vent Kit, Smart System PC Software, Condensate Neutralization Kit, BMS Gateway to Lon or BACnet, Multi-Temperature Loop Control, Sidewall Vent Termination (1) Relief Valve Details 30 PSI ASME Relief Valve Supplied (2) Return Connection 1 Inch (1) 1 Inch Threaded (1) Supply Connection 1 Inch (1) 1 Inch Threaded (1) Tankless Heater Capacity 3 GPM (1) 4.2 GPM (1) Type Domestic Hot Water (2) Vent Size 2 Inch (1) 3 Inch (1) Venting Type Horizontal/Vertical, Direct (2) Warranty 12 Year Limited (Heat Exchanger), 5 Year Limited (Parts) Water Content 0.6 Gallon (1) 2.5 Gallon (1)