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#1 Home Standby Generator in America

New line of commercial/residential/industrial portable generators under the name of GUARDIAN® ULTRA SOURCE.
Available in the largest wattage ratings for air cooled engine generators - 12,500 and 15,000 - both feature Generac's full pressure lubricated, air-cooled twin cylinder OHVIT engine and a two year warranty.
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 NEW!
25% quieter than competitive models

15kW, 20kW and 25kW models
120/240V Single Phase Output
LP or NG fuel
Powered by Ford 2.5L In-line 4 cylinder
Liquid Cooled
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NOW WITH 365 DAY USAGE!

7kW, 12kW and 15kW models
120/240V Single Phase Output
with GFCI duplex outlet & 12V DC Receptacle
LP or NG fuel
OHVI
Air Cooled
Includes Automatic Transfer Switch
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The "Staple" of the Guardian line with tens of Thousands installed !

8 Models:
7kW, 12kW or 15kW Air-Cooled
15kW, 20KW, 25kW, 30kW
or 40kW Liquid-Cooled
120/240V Single Phase
LP or NG fuel
(25kW model shown)
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NEW!
Up to 50% quieter than competitive models

Matrix

All aluminum enclosure
Air-cooled 11kW.
Liquid-cooled 15kW, 20kW, 25kW, 30kW and 40kW models
120/240V Single Phase
LP or NG fuel
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