CAL OSHA approved unit. Higher wattage requirements need larger generators. Generac GUARDIAN® Series liquid-cooled models provide whole house backup power and are available for larger residential and light commercial applications. The Quiet-Test™ feature provides ultra-quiet operation during the generators weekly self-testing period. Models run on natural gas or LP gas. UL listed. U.S.A.Engine In-line 4-cylinder Rated Watts LP (kW) 45 Rated Watts NG (kW) 45 Engine Cooling Liquid Phase Single Fuel Type Liquid Propane or Natural Gas Enclosure Yes, Steel Auto Shutdown Yes UL Listed Yes Additional Product Specs * 45 kW liquid propane * 45 kW natural gas * Bisque enclosure * Ultra-quiet operation — Quiet-Test™ feature for quiet operation during self-testing * Automatic safety shutdowns and exerciser * Safe design
