Generac 5 Year Liquid-Cooled 22-60Kw Extended Warranty ExtensionGenerac 5 Year Liquid Cooled 22 60kW Extended Warranty Extension 5 Year Extended Limited Warranty for liquid cooled units up to 60kW with Nexus or Evolution controller. 5 Years parts and labor. 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. Generac Power Systems 5 Year (5C) Extended Limited Warranty for Residential