Note: Your privacy is very important to us. Aquasure does not distribute, share or sell your information to any 3rd party ad agency or distribute them outside of AquasureUSA.com. The information you share with us will solely be used for our own internal customer support and promotion purposes. Click here to learn more about our privacy policy. 1. Minimum purchase of one (1) applicable Aquasure residential Drinking water system is required. 2. Aquasure will extend warranty coverage for three (3) years when you register your product within eight (8) weeks after the date of purchase. If you choose not to register your product, a one (1) year limited warranty will apply to your product. 3. Warranty is valid to the end-user only. 4. Product registration must be completed within eight (8) weeks after the date of purchase. 5. Products must be purchased in brand new condition from channels including AQUASURE WEBSITE, AMAZON, IFILTERS, HOMEDEPOT, NEWEGG, EBAY, WALMART; items not purchased in brand new condition or items purchased from 3rd party seller or from amazon warehouse deals are not included. 6. Warranty is offered and valid only in the 48 contiguous states (excluding Alaska and Hawaii). Customer responsible for international shipping cost, custom, duty etc.