Need a reliable check valve for your pool, spa, or industrial system? This Hayward TC Series valve is a solid choice. It's a true union ball check valve made from CPVC, which means you can easily disconnect it for maintenance without having to cut the pipes – super handy. It has threaded NPT connections (3/4\ size in this listing) for a secure fit. The valve features a 'Sure Block' design with a square-cut seat that gives you positive sealing to prevent backflow, keeping everything flowing in the right direction. You can install it horizontally or vertically, whatever your setup requires. It comes assembled with a silicone-free lubricant and uses FPM or EPDM O-rings and seats for durability. A simple, effective component for controlling flow direction in various liquid systems.