【Installation Tips】The 1-inch union check valve must be installed vertically and must be installed correctly according to the arrow marking on the main body of the check valve, otherwise the 1-inch true union check valve will not work well.
【True Union Ball Check Valve】The 1-inch union check valve is designed with a \"ball\" inside which is used to prevent backflow (only allows flow in one direction). (No spring inside)
【Excellent Sealing】The internal \"ball\" and washers provide the 1-inch PVC swing check valve with an excellent seal when the fluid flows back.
【Easy to Install and Disassemble】You can easily install or disassemble the 1-inch union swing check valve thanks to the smooth swing full port design, also remove it for cleaning without breaking the pipe connection.
【Widely Compatible】The 1-inch PVC check valve can be used in a variety of applications, but they are typically used for irrigation, pool construction, or home plumbing systems to prevent backflow, ensure proper system operation, and prevent damage.
【Premium Material】The main body of the 1-inch union check valve is made of high-quality PVC material and the O-ring is made of EPDM material. Premium materials make the PVC union check valve durable and strong.
【PVC Union Check Valve】The union swing check valve kit comes with a 1-inch true union check valve with smooth swing full port, as well as washers of different widths for your additional need.