Generac 7040 Guardian 20kW Air-Cooled Generator and Transfer Switch

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Generac 7040 Guardian 20kW Air-Cooled Generator and Transfer Switch

Regular Price: $5,299.00

Special Price $5,189.00

Premium whole-house backup power with patented G-Flex variable speed technology that matches engine speed to electrical demand.

Save Money! Costs Less To Install Than Any Other Brand

Generac Standby Generator Claims
Engineered and built in the U.S.A., the new lineup of home standby generators from Generac were created to save you money on installation while offering the same reliability and peace of mind you get from all Generac home standby generators. Features that simplify the process for our installers include removable door panels, a base pad that requires minimal ground preparation and more efficient wiring techniques that save time on installation.

Factory backorder; please call 1-800-338-3384 for availability.



Premium whole-house backup power with patented G-Flex variable speed technology that matches engine speed to electrical demand. Up to whole house protection with the 200-amp, NEMA 3R (aluminum outdoor enclosure) smart switch. Unlike competitive units that run at a constant speed, patented G-Flex technology allows the Generac Synergy to run at lower speeds when household electrical demand is light. That means significantly quieter operation at normal capacity, less fuel consumption when you need less electricity, and cleaner power than competitive air-cooled home standby generators. Generac generators and engines are engineered and built in the USA (built in the USA using domestic and foreign parts). Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine. 5 Year Limited Warranty for automatic standby generators. Quiet-Test Self-Test Mode runs at a lower RPM for a five or twelve minute test, making generators significantly quieter than other brands while consuming less fuel. 24/7/365 Customer Support Team standing by all day, every day from our headquarters in Wisconsin to answer any questions you might have. RhinoCoat powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions. Mobile Link Remote Monitoring allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC. Easily access information, such as the current operating status and the generator’s maintenance schedule. Connect your account to your authorized service dealer for fast, friendly and convenient assistance (sold separately).

Generator / 200 Amp Service Rated Load Shedding Smart Switch Package USA only (service entrance switch) (UL). Voltage (Single Phase) 240. Amps @ 240V LPG 83.3. Amps @ 240V NG 75. Engine/Alternator RPM 2400-3600. Engine Generac G-Force 1000cc. Fuel Consumption @ 1/2 Load - NG cu. ft/hr 174. Fuel Consumption @ Full Load - NG cu. ft/hr (gal/hr) 59.7 (1.64). Fuel Consumption @ Full Load - LPG cu. ft/hr (gal/hr) 123.7 (3.4). Aluminum bisque enclosure. Dimensions (L" x W" x H") 48 x 25 x 29. Weight (lbs.) 451. Smart, User-Friendly Controls. Generac’s Evolution Controller features a multilingual LCD display that allows you to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition. Automatic voltage regulator. Specialized alternator. The unique resonator is specifically designed to improve sound quality and minimize overall sound levels.


(1) 7040 Guardian 20kW Air-Cooled Standby Generator, (1) 200 Amp Service Rated Load Shedding Smart Switch.

Additional Information

Additional Information

Power Source LPG / NG

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