GUARDIAN QuietSource Liquid-Cooled Standby Generator — 22 kW (LP)/22 kW (NG), Model# 5638

Ideal for applications that require ultra-quiet operation and exceptional fuel economy. Achieves greater power output with less effort, resulting in significantly reduced fuel consumption both during exercise and under full load. Features aluminum enclosures for extra corrosion protection in coastal areas. Runs on natural gas or LP gas. UL listed. Transfer switch sold separately. Engine: 2.4L, Engine Displacement (cc): 1, 600, Speed (RPM): 1, 800, Rated Watts (kW): 22, Rated Watts LP (kW): 22, Rated Watts NG (kW): 22, Volts: 120/242, Amps: 91.6, Engine Cooling: Liquid, Start Type: Automatic, Phase: 1, Noise Level (dB): 70, Fuel Type: LP or natural gas, Enclosure: Aluminum, Mounting Pad: No, Battery Required: Yes, Battery Included: No, Auto Shutdown: Yes, UL Listed: Yes, Dimensions L x W x H (in.): 62.2 x 29 x 33.5 22 kW liquid propane 22 kW natural gas Aluminum, corrosion-resistant enclosure (Gray) Whisper-Test™ feature for near-silent operation during self-testing; 50% quieter than competitive models Generac industrial liquid-cooled in-line 4-cycle engine Automatic safety shutdowns and exerciser Standby generators require installation involving permanent outdoor placement, electrical wiring and fuel source connections. We recommend the use of a trained professional for final connections of gas and electric.