Generac 10-Year Extended Limited Warranty - Liquid-Cooled up to 60kWGenerac 10 Year Extended Limited Warranty Liquid Cooled up to 60kW Nexus or Evolution Controller 10 Year Extended Limited Warranty for liquid cooled units up to 60kW with the Nexus or Evolution controller. Warranty covers 10 years parts, labor and travel*. Can be purchased within 12 months of end user purchase date, which will remain as the start date. Unit must be registered and end user proof of purchase must be available upon request. *Some