Details:<br> Tankless water heater<br> Instant heating abilities<br> Dimensions (Front panel): 15” H<br> Dimensions (Front panel): 15” W<br> Dimensions (Entire unit): 14.3” D<br> Dimensions (Back section): 12.7” H<br> Dimensions (Back section): 12.7” W<br> Dimensions (Back section):13.8” D<br> (1) Water outlet and (1) inlet<br> (1) Gas inlet<br> Gas inlet measures 3.8” from the bottom<br> 12V DC<br> Power port measures 7.42” from the bottom<br> (1) Flat lock<br> Air inlet grilles<br> (1) Decorative ring<br> With wired controller with power, temperature, and Celsius-to-Fahrenheit controls<br> Low water pressure startup<br> Flameout protection<br> Forced exhaust structure<br> Speed changing and wind resistance function<br> Water and gas linkage control<br> Fault auto-diagnosis and fault code display