Generac Authorized Dealer

22kW Generator

Model 7042

One of the most powerful air-cooled generators available, the Guardian® Series 22 kW automatic home standby generator can provide whole-house backup power for many homes. It delivers all the features and functionality customers have come to expect from the market-leading brand of home standby generators, with an MSRP that is the lowest cost per kilowatt of any air-cooled home standby generator.

Great Northern Power

22kW Home Standby Generator

  • True Power™ Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances.

  • Generac’s G-Force Engine is purpose-built and pressure-lubricated , capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance.

  • Tough, Durable All-Aluminum Enclosure with RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.

  • 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 in top operating condition.

  • GenMonitor Connectivity utilizes advanced telecommunications and cellular connectivity. You can monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC.

  • 5 Year Limited Warranty  for automatic standby generators provided by manufacturer Generac with extended warranties available.

A Generac home standby generator on a snowy landscape with snow-covered trees in the background. The image promotes preparedness for winter storms and highlights the generator's power during outages.
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22kW Guardian® Air-Cooled Standby Generator

  • Protects your home and family during a power outage

  • Includes Mobile Link™ Wi-Fi Remote Monitoring*

  • Monitor generator status on a smart phone, tablet or PC

  • *Requires internet connection and wireless router

  • *Automatic Operation Only*

  • Fully automatic operation when paired with Generac Smart Switch

  • NEW Generac G-Force 800 Series Engine

  • Hydraulic lifters for improved performance & less maintenance

  • Full pressure lubrication system w/ 2 year oil change interval

  • Operates On Clean Burning, Efficient Natural Gas or LP (Vapor)

  • Connects to your existing LP or natural gas fuel supply

  • TRUE POWER™ Electrical Technology

  • Less than 5% Total Harmonic Distortion (THD) for utility grade power

  • Automatic Digital Voltage Regulation (+/-1%)

  • Allows for faster response time & maximum motor starting ability

  • Evolution™ Digital Controller

  • Multilingual, 2-Line LCD display for simple, straightforward operation

  • Programmable-exerciser helps prevent oil seal drying and damage

  • QUIET-TEST™ Self-Test Mode

  • Runs at a lower RPM for a five or twelve minute test

  • Aluminum Enclosure w/ RhinoCoat™ Powder-Coated Finish

  • Corrosion resistant design for all weather conditions

  • Installation Flexibility*

  • Can be installed within 18" of a building

  • *Always check local building codes

  • 5-Year Limited Warranty

  • Plus 24/7-365 Customer Support

  • Have your questions answered when it's convenient for you

  • Generac Standby Generators & Engines - Built In The USA*

  • Built in the USA using domestic & foreign parts

  • Also Includes

  • Smart battery charger & 14" Flexible fuel line connector

  • Please Note - Battery Not Included (Sold Separately)


Length (in): 48

Width (in): 25

Height (in): 29

Controller Type: Evolution

Enclosure: Aluminum

Max. Cont. Power (LP): 0

Max. Cont. Power (NG): 19500

Max. Cont. Amps (LP): 0

Max. Cont. Amps (NG): 0

Main Line Circuit Breaker 100

NG Consumption - 50% (ft3/hr): 228

NG Consumption - 100% (ft3/hr): 327

LP Consumption - 50% (ft3/hr): 92

LP Consumption - 50% (gal/hr): 2.53

LP Consumption - 100% (ft3/hr): 142

LP Consumption - 100% (gal/hr): 3.9

LP Fuel Pressure Requirement (wc): 0

NG Fuel Pressure Requirement (wc): 0

A beige Generac Guardian 18 kW home standby generator with a black base and control panel.

With Great Northern Power you have peace of mind

  • Design and consultation performed by experts according to local and national standards (NEC 2020)

  • Turnkey installation for your convenience

  • Generac trained service technicians available 24/7 for maintenance and repairs

  • Extended warranties available

Are you ready to protect and invest in your home?

Call us today! 406.751.3000

Open generator with internal components including engine, control panel, and cooling system

Specifications

Product Series: Guardian Residential

Fuel Type: Liquid Propane or Natural Gas

Oil Type: Check chart in manual

Oil Capacity (qt): 1.9

Oil Filter P/N:

Air Filter P/N:

Spark Plug P/N:

Battery Included:

Battery PN:

Battery Type: Group 26R 540 CCA Minimum or Group 35AGM 650 CCA Minimum

Battery Size: 12V

Engine Type: G-Force 1000

Engine Size:

Weight (lb): 466

Running Watts (W) 0

Mobile Link: Yes

Quiet Test: Yes