Dimensions (D*W*H): (9.27*14.04*22.95)"
BTU: Min: 10,300 Max: 150,000
Flow Rate (Min-Max): 0.26 - 6.5 GPM (1.0 - 24.6 L/min) 
Activation Flow Rate: 0.4 GPM
Weight: 45.6 lbs
Temperature: 98° - 120° F (37° - 49° C) (factory default) Maximum Temperature is Selectable at 120° F(49° C) or at 140° F(60° C); 98° - 160° F(37° - 71° C) available with the MCC-91-2 Controller For Hydronic Applications
Temperature (without remote): 120° F (49° C) (factory default) or 140° F (60° C)
Ignition System: Direct Electronic Ignition
Heating Technology: Non Condensing
Electronic Connections: AC 120 Volts, 60Hz 
Temperature Controller: DC 12 Volts (Digital)
Water Supply Pressure (Min - Max): 20 PSI - 150 PSI
Gas Supply: 3/4 in. (19 mm) NPT
Cold Water Inlet: 3/4 in. (19 mm) NPT
Hot Water Outlet: 3/4 in. (19 mm) NPT
Certifications: UL, CSA
Heat Exchanger Warranty: 10-Years
Water Flow Control: Water Flow Sensor, Electronic Water Control Device and Fixed by-pass