Warranty is in effect when any zehnder Towel Radiator is installed meeting all local, state and federal electrical and construction codes, and when used as Zehnder America, Inc. recommends. The LIMITED WARRANTY shall be for a period of five (5) years, and shall be limited to defects in original manufacture. Any suspected defect must be reported by registered letter immediately upon discovery. The determination of such a defect must be made by Zehnder America, Inc, or its authorized representative only. If the product is determined to be defective by Zehnder America, Inc, then Zehnder America, Inc may elect to repair or replace the defective unit. All installation/removal and shipping costs are the responsibility of the customer. This warranty is null and void if the Zehnder America, Inc product is improperly installed or operated or abused. No other warranty, express or implied, exists for any Zehnder America, Inc. products. Incidental and consequential damages are excluded, except where prohibited by law, for any breach of any express or implied warranty, including the implied warranty of merchantability.