Check the listing for details. ** New 10” Wilkins Backflow Preventer **. Condition: New. Listed at 5500.00 USD. This is a new Wilkins/Zurn model 475ST 10” I bought it for over $21,000 the project specs changed and no longer going to use it. Manufacturer won’t return it. Willing to sell at a huge discount. Also have a heated Aqua Shield enclosure for it if interested. Must sell to make room in shop. Similar to Febco Watts Apollo This valve weighs approximately 700 pounds and approximately 50” x 50” x 50” Buyer is responsible for shipping. It’s to big and heavy for eBay shipping to apply. This backflow preventer is a must-have for any business or industrial setting that deals with hydraulics, pneumatics, pumps, and plumbing. It is designed to prevent backflow and keep your water system safe and free from contamination. The valve and manifold are constructed with high-quality materials, ensuring its durability and longevity. The pipe size for this backflow preventer is 10 inches, making it suitable for various applications. It falls within the category of valves and manifolds and is essential for maintaining a safe and clean water system. Add this backflow preventer to your equipment and enjoy peace of mind knowing that your water supply is protected.