Heating Gas-fired Boilers (2)

AFUE Rating 84 Percent (2) AGA Input Rating 108 to 215 MBH (1) 180 MBH (1) ASME Code Yes (1) Boiler Dimensions 23-1/2 Inch Width x 21-1/2 Inch Depth x 29-1/2 Inch Height (1) 33-3/4 Inch Length x 21-1/2 Inch Width x 29-1/2 Inch Height (1) Boiler Material Cast Iron (Header), Copper Finned Tube (Heat Exchanger) (1) Copper Finned Tube (Heat Exchanger) (1) Burner Type Stainless Steel (2) DOE Heating Capacity 178 MBH (1) Gas Connection 3/4 Inch (1) 3/4 Inch Threaded (1) Gas Type Natural (2) Ignition Type 2-Stage Intermittent Spark Ignition (1) 2-Stage, Intermittent Spark (1) Net IBR Rating 155 MBH (1) Options Adjustable High Limit with Manual Reset, Flow Switch, Low Water Cut-Off, Stack Frame, Pump Delay with Freeze Protection, MP2 Sequencer, PVC/CPVC Venting Kit, O2 Barrier Waterway Pressure Rating 160 PSI (2) Relief Valve Details ASME Pressure Relief Valve (1) ASME Pressure Relief Valve Supplied (1) Return Connection 1-1/2 Inch (1) 1-1/2 Inch Threaded (1) Supply Connection 1-1/2 Inch (1) 1-1/2 Inch Threaded (1) Tankless Heater Capacity 8.9 GPM (1) Type Domestic Hot Water (1) Hot Water (1) Vent Size 7 Inch Venting Type Automatic (2) Warranty 20 Year Limited (1) 20 Year Limited (Heat Exchanger), 2 Year (Parts) (1) Water Content 1.02 Gallon (1)