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The Generac RG02224ANAX is a Protector Gaseous QS liquid-cooled standby generator built for backup power applications that require a 22kW generator with a larger engine platform. This model is rated at 22kW, uses a 2.4L liquid-cooled engine, and supports natural gas or vapor propane fuel. It is configured for 120/240V 1ø power and belongs to the Liquid Cooled RG Series. The RG02224ANAX is listed as emissions compliant for use in all 50 states, U.S. territories, and Canada. With True Power™ Technology, Evolution™ controls, Quiet-Test™ self-test operation, and a corrosion-resistant aluminum enclosure, this Generac Protector QS generator gives buyers a more advanced standby generator option for large or custom home backup planning.
The Generac RG02224ANAX is part of the Protector gaseous automatic backup generator line and is positioned for larger or custom home backup applications. Actual backup coverage depends on the home’s electrical loads, fuel setup, transfer equipment, installation requirements, and professional sizing.
This model uses a 2.4L liquid-cooled engine and supports natural gas or vapor propane fuel. The liquid-cooled engine platform helps distinguish the RG02224ANAX from smaller air-cooled generator models and gives buyers a clear upgrade path when comparing Generac standby generator options.
True Power™ Technology delivers less than 5% total harmonic distortion for cleaner power quality. The Evolution™ controller includes a multilingual two-line LCD text display with color-coded, backlit buttons, USB flash capability, smart battery charging, voltage adjustment, and a backlit membrane pad style interface.
Quiet-Test™ allows the generator to run its scheduled self-test at a lower RPM and can be programmed for weekly, bi-weekly, or monthly operation. The RhinoCoat™ powder-coated aluminum enclosure helps support corrosion resistance while the neutral styling and smaller footprint help the unit fit more cleanly into outdoor surroundings.
The Generac RG02224ANAX gives buyers a 22kW Protector QS generator option with a 2.4L liquid-cooled engine, natural gas or vapor propane fuel support, and 120/240V single-phase configuration. It is designed for projects where power output, engine platform, fuel type, controller features, and emissions compliance all matter during product selection.
For buyers comparing liquid-cooled Generac generator models, the RG02224ANAX combines Protector QS positioning, True Power™ output quality, Evolution™ control features, Quiet-Test™ self-test operation, and a no-catalyst emissions-compliant configuration.
Comparing liquid-cooled Generac Protector generator options?
Contact TrueStead Supply for product selection support, generator comparison help, and quote assistance.
✔ 22kW Protector QS model ✔ 2.4L liquid-cooled engine ✔ NG/vapor propane fuel
Contact Us for a Quote| Brand | Generac |
| Series | Liquid Cooled RG Series |
| Model | RG02224ANAX |
| Product Type | Protector Gaseous Liquid-Cooled Standby Generator |
| Kilowatts | 22 |
| Engine | 2.4L Engine |
| Cooling Type | Liquid-Cooled |
| Fuel Type | Natural Gas / Vapor Propane |
| Voltage | 120/240 1ø |
| Total Harmonic Distortion | Less than 5% |
| Controller | Evolution™ Controller |
| Self-Test Feature | Quiet-Test™ programmable weekly, bi-weekly, or monthly self-test |
| Enclosure | RhinoCoat™ powder-coated aluminum enclosure |
| Structure Offset Capability | Can be installed 18" from a structure where applicable requirements allow |
| Remote Monitoring | Mobile Link™ optional cellular remote monitoring |
| Catalyst Tank Size | No Catalyst option |
| Emissions Compliance | Compliant for use in all 50 states, U.S. territories, and Canada |
| Warranty | 5-year limited warranty; extended warranty options available |
Generac RG02224ANAX User Manual
