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Model # QT02224ANAX
MSRP: $8,999.00
Regular Price: $8,819.00
Total Savings: $1,280.00


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Avg. Product Review Rating: 4.7/5 (based on 3 reviews - read reviews) Write a Review - $10 Store Credit

Generac QuietSource 22kW (Alum) NG/LP 240V Single Phase Generator

  • Two Line LCD Tri-Lingual Digital Nexus Controller
  • Isochronous Electronic Governor
  • Sound Attenuated Enclosure
  • Closed Coolant Recovery System
  • Smart Battery Charger
  • UV/Ozone Resistant Hoses
  • ±1% Voltage Regulation
  • Natural Gas or LP Operation
  • 2 Year Limited Warranty
  • UL 2200 Listed


Generac Power Systems QT02224ANAX Details and Specifications

Generac makes it easy to configure a standby backup power system for your home or business needs. The 22kW liquid-cooled generator is capable of providing standby backup protection for large homes and commercial applications, designed specifically for high demand power generation needs.
Low speed, automotive style liquid-cooled engine runs at only 1800 rpm during a power outage for a substantially quieter generator, greater fuel efficiency, and longer engine and alternator life.
Super quiet, super efficient, patented Quiet-Test mode for a weekly test mode that’s quieter than other brands, consumes less fuel and helps make your Generac generator the most environmentally friendly on the market.
Standard aluminum, all-weather enclosure provides the ultimate protection from the elements. Aluminum’s natural corrosion resistance prolongs the life of your generator and is recommended for salt-air, coastal locations.

Generac has created
a controller for liquid-cooled models with an improved user interface for easier monitoring and management of the generator functions.

Features of the Nexus Controller:

• LCD Display
• Remote Maintenance LED's
• Time & Date
• Alarm Log
• Run Log
• Set Exercise via Display
• Engine Hour Display
• RPM Display & Sensor Loss Alarm
• Frequency
• Battery Voltage Display
• Trilingual Display
• Underspeed/fail to Transfer Alarm
• High Engine Temperature Alarm
• Low Oil Pressure Alarm
• Overcrank Alarm
• Overspeed Alarm
• Maintenance Scheduling

Warranty Information

Consumer Warranty: 2 Years Limited
Commercial Warranty: 2 Years Limited

Product Specifications

Model Number QT02224ANAX
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 22kW
Rated Amps 92
Voltage 120/240V Single Phase
A/C Ton Rating 5 Ton
Enclosure Aluminum
UL Listed Yes
Decibel Rating 70 db(A)
Starting System Automatic Start
Low Oil Alert Yes
Mainline Breaker 100 Amps
Hour Meter Yes
Battery Requirement Requires 12 Volt, Group 26, 525CCA
Mounting Pad Requires Prepared Site
Product Weight 843 lbs.
Dimensions (Inches) 62.2L x 29W x 33.5H
Engine Brand Generac
Engine Size 40HP/2.4 Liter
Engine RPM 1800 RPM
Cooling System Liquid Cooled
Frequency 60 Hz
Auto Voltage Regulation Yes
Fuel Type Natural Gas (NG) / Propane (LP)
NG Power Capacity 22kW
LP Power Capacity 22kW
NG Consumption @ Full Load 316 cu.ft/hr.
NG Consumption @ 1/2 Load 190 cu.ft/hr.
LP Consumption @ Full Load 3.3 gal/hr.
LP Consumption @ 1/2 Load 2.0 gal/hr.
Transfer Switch
Transfer Switch Model RTS Type - Sold Separately
Warranty Information
Consumer Warranty 2 Years Limited
Commercial Warranty 2 Years Limited
Shipping Weight 955 lbs
Shipping Dimensions 40H x 77W x 36D
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Product Reviews

  1. great unit slow delivery

    Posted by jonathan t on 19th Jan 2013

    this unit runs quiet and works as promised. the delivery was very very slow - 8 weeks!

  2. Excellent product

    Posted by Unknown on 24th Dec 2012

    Excellent generator overall and especially for those that live near water due to its aluminum construction. This unit is very quiet due in part to its 1800 rpm operation. I added the remote control display so I could monitor the status of the generator from inside the house... a nice option. You can't go wrong with this unit.

  3. Love the service

    Posted by Jim Horris on 23rd Apr 2011

    Norwall's delivery service was great. Faster than expected delivery.


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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.