American Maintenance Systems warrants all products for 30 days from the date of purchase, only to the original purchaser, against defective materials and workmanship. Return of product or parts thereof, transportation prepaid and with proof of purchase, to American Maintenance Systems, 12407 N. Mopac Expressway, Suite 100469, Austin, Texas 78758. This warranty is void if the product is modified, used beyond rated capacity, if any extender is used as leverage, or if the product is abused, misused, not maintained properly, of if non American Maintenance Systems parts are used. This warranty replaces all previous warranties and is the only warranty made by American Maintenance Systems for all products. No other warranties, either verbal or written, are authorized. This warranty gives you specific legal rights. You may also have other rights that vary from state to state.