Buderus SSB85 69,000 BTU Gas-Fired Floor-Standing Condensing Boiler

Note: Product Title reflects this boiler's IBR Net Output Rating Specifications: Max Input Rate (BTU/hr) 85,000 Min Input Rate (BTU/hr) 17,060 Turndown Rate (%) 5:1 (20%) Gas Connections 3/4" Max/Min NG Pressure (Inch W.C.) 10.5 / 3.5 Max/Min LPG Pressure (Inch W.C.) 13 / 8 Water Connections 1" Water Volume (Gallons) 0.79 Vent/Air Intake Connections 2" Max Operating Temp (°F) 194 Surface Heat Exchanger (SqFt) 8.61 Min. Clearance to Combustibles 2"