Love your Sparkling Water Maker? Registering it makes your love official. If you have purchased a Sodastream Sparkling Water Maker at a retailer you can register your Sparkling Water Maker on our site. All you have to do is enter the Sparkling Water Maker type, Date of purchase and your personal information. Upon registering your Sparkling Water Maker, you'll receive an extra 2-year warranty (total of 4-year limited warranty).