Specifications include, but are not limited to: Type H Hydronic Boiler Size: 1259B (1260 MBH Input-3 Stage Fire) Location: Indoor Heating Performance Input Temp: 130F Output Temp: 160F Input Capacity: 1260 MBTUH Output Capacity: 1058 MBTUH Thermal Efficiency: 84% Water Flow Max Flow: 55 gpm Min Flow: 132 gpm Pressure Drop: ft.wg General Unit Data Unit Weight: 1010lbs Unit Length: 32in Unit Width: 68in Unit Height: 41in Standard Features Heat Exchanger • H Stamp • ASME Inspected and Stamped • 160 PSIG Working Pressure • National Board Approved • ASME Steel Tube Sheet • Silicone High Temp O-Rings • Temperature and Pressure Gauge Control • 120V, 60Hz, 1 Phase Power Supply • 120/24V 60 Hz transformer • 100% Shut-Off/Lockout • Hot Surface Ignition • Remote flame sensor • Fixed high limit, manual reset • On/Off Power Switch • Manual shut-off, front-mounted switch • Flow Switch • Blocked Vent Pressure Switch • Combustion Air Proving Switch • Pump Time Delay Relay • Status Display Lights
