Mall / ci Ftgs - Screwed & Flanged, Black & Galvanized, Flanges

AFUE Rating 84 Percent (1) AGA Input Rating 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) Boiler Material Copper Finned Tube (Heat Exchanger) (1) Burner Type Stainless Steel (1) End Connection Female Threaded x Female Threaded (1) Female Threaded x Female Threaded x Female Threaded (2) Finish Galvanized (2) Gas Connection 3/4 Inch (1) Gas Type Natural (1) Ignition Type 2-Stage, Intermittent Spark (1) Material Malleable Iron (3) Material Specification ASTM A197 (1) ASTM A197/A153 (2) Nominal Size 2 Inch x 1-1/4 Inch x 1-1/4 Inch (1) 2-1/2 Inch x 1-1/2 Inch x 2-1/2 Inch (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 (1) Pressure Rating 160 PSI (1) Class 150, 300 PSI (3) Relief Valve Details ASME Pressure Relief Valve (1) Return Connection 1-1/2 Inch (1) Schedule Standard Size A 4 Inch (1) Size B 2 Inch (1) Supply Connection 1-1/2 Inch (1) Temperature Rating 350 Deg F Type Hot Water (1) Concentric (1) Reducing (2) Vent Size 7 Inch (1) Venting Type Automatic (1) Warranty 20 Year Limited (1)