Briggs & Stratton PowerProtect+™ DX 22kW Home Standby Generator
The premium 22kW. The PowerProtect+™ DX 22kW (model 040790) adds best-in-class starting power to the proven DX 22kW platform — engineered to start a 5-ton air conditioner — while running quieter at just 66 dB(A). Backed by Briggs & Stratton’s “10 Years, No Fears” warranty covering parts, labor, and travel: the longest and most comprehensive standard warranty in the industry.
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Who Is the + DX 22kW Right For?
Choose the Plus over the standard DX 22kW if your home has large or multiple air conditioners, a well pump, or other high-inrush loads — or if you simply want the quietest, most capable 22kW unit with integrated remote monitoring as standard. Full 22kW output on both natural gas and propane.
Key Features
- Starts a 5-ton air conditioner — best-in-class motor starting power
- “10 Years, No Fears” warranty — parts, labor, and travel included
- 66 dB(A) — among the quietest units in its class
- Front-facing exhaust blows away from your home for safer, more flexible placement
- Integrated EnergyTrak™ remote monitoring — 24/7 from your phone
- Eco-Cise™ weekly test mode and Dura-Zen™ enhanced weather protection
- Engineered and assembled in the USA
Specifications
| Model | 040790 |
| Running Power (LP) | 22 kW / 91.7 A |
| Running Power (NG) | 22 kW / 91.7 A |
| Voltage / Breaker | 120/240V, 100 A |
| Engine | Vanguard® commercial-grade, 993cc |
| Sound Level | 66 dB(A) |
| Fuel Use @ 50% Load | LP 217,000 BTU/hr · NG 194,000 BTU/hr |
| Dimensions (L×W×H) | 46″ × 27″ × 28″ |
| Weight | 490 lbs |
| Warranty | 10-year comprehensive (parts, labor, travel) |
Professional Installation by GSHA Services
Installed by licensed electricians serving Illinois and Wisconsin, with automatic transfer switch, gas piping, permits, and startup included in your quote. Financing available through Synchrony, Service Finance Company, and Microf.
Compare: standard DX 22kW · PowerProtect+ DX 26kW · full DX lineup
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