The Waterco 2 inch half union with O-ring is designed for compatible plumbing systems where one side of the union connection needs to be replaced with the correct serviceable fitting. A half union is useful because it allows plumbing sections to be disconnected more easily during maintenance while still preserving a secure, properly sealed connection during operation.This replacement is especially useful when the original half union is cracked, worn, or no longer sealing confidently at the O-ring surface. Including the O-ring helps make the repair more complete and reduces the need to source the sealing component separately.The 634024BLK is a practical service part when a compatible 2 inch Waterco union connection needs to be refreshed for cleaner fit, easier maintenance, and more dependable sealing. Waterco 2 inch half union with O-ring Designed for compatible serviceable plumbing connections Helps restore proper union fit and sealing Useful when the original half union is cracked or leaking Includes O-ring for a more complete replacement solution
