Dimensions (D*W*H): (9.27*14.04*22.95)"
BTU: Min: 10,300 Max: 180,000
Flow Rate (Min-Max): 0.26 - 7.5 GPM (1.0 - 28.4 L/min) 
Activation Flow Rate: 0.4 GPM
Weight: 45.6 lbs
Temperature With Remote: 98° - 120° F (37°C - 49°C) (Factory Default) 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) and 140° F (60°C)
Sound Level: 47 dB
Gas Supply Pressure: Natural: 4 in. w.c. - 10.5 in. w.c. (2.5 mbar – 26.1 mbar)
Propane: 8 in. w.c. - 13.5 in. w.c. (20 mbar – 33.6 mbar
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: CSA
Heat Exchanger Warranty: 12-Years
Controller Cable: Non-Polarized Two Core Cable (Minimum 22 AWG)