Only New and Certified Pre-Owned Equipment are covered by the Limited Warranty. The limited warranty includes 30 days of labor, and 6 months of parts. After the first 30 days of the warranty, shipping cost for parts are to be covered by the customer. Broken parts must be shipped back to YES Dental in order for the replacements to be covered under the warranty. Maintenance Parts, including but not limited, seals, gaskets, o-rings, light bulbs, etc, are not covered by the limited warranty after the first 30 days. For any questions you may have regarding the limited warranty, please call our office at (480)626-6300.