Watts 2 1/2 to 3-inch Backflow Repair Kit, part of the lead-free Series 909 is designed to provide efficient and cost-effective repair for your backflow prevention system. Includes all necessary parts for the second check valve assembly in a 2 1/2 to 3-inch Series 909 reduced pressure zone (RPZ) backflow preventer. It is made from lead-free materials. This kit is safe for use in all potable water applications. It features a durable rubber that ensures long-lasting performance. It is the best option for repairing a backflow prevention system, keeping your water supply safe from contaminants. It allows a quick replacement of damaged parts. It is easy to install thanks to its included instructions. Order your kit today and save time and money with Watts.