I am not authorized by Rinai nor am I affiliated with Rinai in any way, I bought it for my son on Amazon and he decided not to install it; I ahve one myself and I am super happy with the product and performance. This was never taken out of the box, was never unwrapped, it is new in open box.

Manufacturer specifications:

Rinnai #RLX94IN Specifications
Zoro #: G2942251 Mfr #: RLX94IN
Standards: AHRI, CSA, CEC, Energy Star, Mobile Home Certified Gas Connection: 3/4" MNPT
Vent Type: Concentric BtuH: 192,000
For Use With: 223181|GTK15|RWM101| Residential / Commercial: Residential / Commercial
Voltage: AC 120 Volts, 60 Hz Temp. Range: 98-185 deg. F
Gas Type: Natural Gas Flow Rate (GPM): 0.26 to 9.8
Mounting: Wall Additional Features: Energy Factor of 0.82 / Uniform Energy Factor of 0.81
Color/Finish: Silver Features: Professional installation required; call 84-GO-Rinnai for assistance.
Series: High Efficiency Plus Country of Origin (subject to change): Japan