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Packaged as a whole-home kit, this bundle combines the PP18 generator with a 200A service-entrance-rated transfer switch and Symphony Choice power management. NGMax technology lets the PP18 hold a full 18 kW on natural gas as well as propane.
Planning a system? Read our guide: How to size a battery backup system for your home.
Suited to homes that face severe weather, rolling blackouts or long outages and want every circuit covered.
Whole-Home Backup Power You Can Trust Keep your home protected and powered through outages with the Briggs & Stratton 18kW Whole-Home Backup Bundle. Built around the reliable PowerProtect™ PP18 standby generator, this complete backup power solution delivers a continuous 18kW output on both natural gas and liquid propane thanks to advanced NGMax™ technology. Paired with a 200A service-entrance-rated automatic transfer switch and Symphony Choice Power Management, this system automatically restores power within seconds of an outage while intelligently prioritizing essential household loads. Whether you’re protecting your family during storms, keeping HVAC systems running in extreme weather, or ensuring uninterrupted power for critical appliances, this bundle delivers dependable whole-home backup with quiet operation, durable construction, and long-term peace of mind. Key Benefits: Dual-Fuel Capability (LP/NG): Runs on liquid propane or natural gas, delivering a full 18 kW output on either fuel with NGMax technology. 200A Service-Entrance-Rated Transfer Switch: NEMA 3R enclosure supports indoor or outdoor installation and powers all home circuits without a sub-panel. Symphony Choice Power Management: Intelligent load prioritization efficiently manages essential and non-essential circuits for optimal performance. Automatic Outage Detection: Starts within seconds of power loss to ensure uninterrupted operation of critical systems. Durable Construction: Vanguard engine with corrosion-resistant aluminum enclosure and Dura-Zen coating for long-lasting reliability. Use Cases: Ideal for homeowners looking for reliable whole-home backup power during utility outages, severe weather events, rolling blackouts, or emergency situations. Tech Specs: Starting System: Automatic THD: Wind Rating: 186 MPH Certifications: UL, cUL, FCC, NFPA 70, UL1008
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
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Briggs & Stratton
Briggs & Stratton's PP26 is the most powerful standby generator in this group, rated at 26 kW on propane and 24 kW on natural gas. It restores power within seconds and includes a controller with scheduling and fault codes.
$4,897.16
Briggs & Stratton
In this bundle the PP22 comes with a 200A service-entrance-rated automatic transfer switch that is Symphony Choice compatible. It is a complete whole-home setup for homes that need 22 kW on either fuel.
$4,944.04
Briggs & Stratton
A full 22 kW on either propane or natural gas puts the PP22 in a good position for larger homes. It runs automatically when the grid goes down and keeps HVAC, well pumps and appliances going.
$4,326.14
Briggs & Stratton
The PowerProtect PP18 gives a full 18 kW on either propane or natural gas, so you do not lose capacity when you choose one fuel over the other. Briggs & Stratton designed it to restore power automatically within seconds of an outage.
$4,118.18