The Champion Assembled Unit 5-Year Warranty... Each new Champion Assembled Unit has a five (5) year warranty on the compressor pump only, against defects in material/or workmanship under normal use and service, from the date of installation or sixty-six (66) months from the date of shipment by Champion or a Champion distributor whichever may occur first. This five-year extended warranty will be prorated over the five years as follows:      Year One - 100% coverage on parts, labor      Year Two - 90% coverage on parts, labor      Year Three - 80% coverage on parts, labor      Year Four - 70% coverage parts, labor      Year Five - 60 % coverage parts, labor      (Head valves are warranted for first year only) Champion makes no warranty on components and/or accessories furnished to Champion by third parties, such as electric motors, gasoline engines and controls. These are warranted only to the extent of the original manufacturer's warranty to Champion. Electric motors must be equipped with thermal overload protection to have warranty consideration. The extended five-year warranty will apply to ASME air receivers if they are installed on rubber-vibro insolator pads or approved equivalent. Express Limited Warranty Warranty shall not apply to any equipment which has been subjected to misuse, neglect or accident, nor shall it apply to any equipment that has been repaired or altered by any person(s) not authorized by Champion. Failure caused by lack of proper maintenance is not covered by warranty.   In no event shall Champion be liable for consequential damages or contingent liabilities arising out of failure of any compressor or part to operate properly.   When a compressor pump or component is changed or replaced during the warranty period, the new/replaced item(s) is warranted for only the remainder of the original warranty period.   For more warranty details, please refer to Warranty Page in Operating Manual or separate warranty sheet.