Product Specifications: -115v, -60 HZ, -single phase, -4 Amps, -3 year warranty

•After the 3 year warranty it goes to a lifetime prorated exchange. (based on the purchase date of the NEW aerator)
•Customer needs to complete and return (to Norweco) the warranty card that is in each box For the 3 year warranty, if you pay for an exchange their warranty is reinstated for 3 years. After that warranty expires the calculation for future warranty/exchange coverage dates back to the original install or ship date from Norweco if the registration card was not sent back.