The Guardian residential emergency power generator is the most powerful, fully automatic, enclosed generator of its size available anywhere. The liquid-cooled models deliver up to 40,000 watts of backup electrical power and the air-cooled models produce up to 15,000 watts. They are quiet, reliable and loaded with special features.

UL-Listed Automatic Transfer Switch

• Automatically signals the generator to produce emergency electrical power when utility fails and disconnects when utility power returns.
• Within seconds your generator is producing electrical power without you having to even flip a switch. You don't have to be home for your system to work!

Automatic Exerciser

• Seven (7) day interval testing of the power generating system.
• You set the system to exercise at a prescribed time and day of the week. This allows you to verify that your system is in peak operating condition between utility failures.

Convenient Fuel Supply

• Operates on home/business natural gas or LP gas service.
• Provides you with potentially unlimited run time during extended utility power failures.
• On Board LED System Fault Indicators - low oil pressure, high engine temperature shutdown, overspeed/overcrank shutdown and system ready light (air-cooled models only).
• Aids in performance of servicing in the event of a system difficulty. Leads technician to a more specific area for troubleshooting purposes. Reduces service time.

OHVI® Single or Twin-Cylinder Engine

• Full-pressure lubrication system with automotive spin-on oil filter (air-cooled only).
• Finest lubrication technology available and provides instantaneous disbursement of lubricant to all engine parts. Easy change filter.

Automatic Voltage Regulator

• Maintains constant voltage with varying loads.
• Eliminates voltage spikes and allows operation of sensitive electronic equipment.

Maintenance Friendly

• Air-cooled models include a hinged top and removable front panel. Liquid-cooled models feature large removable enclosure doors.
• Provides easy and quick access to all maintenance and service parts. Reduces preventative maintenance or repair time.