The Valterra 3-Piece Gate Valve [2" Union x 2" Union] [40 PSI] is a Valterra Products plumbing valve option used to control or isolate water flow in pool and spa equipment systems. Its listed configuration (2" Union x 2" Union, 40 PSI) should be matched carefully to the existing pipe connection style before installation, since slip, spigot, FPT, MPT, union, and threaded connections are not interchangeable. This part is especially useful during equipment repairs, plumbing upgrades, or valve replacements where the existing layout needs a direct-fit component. Always verify pipe size, pressure rating, valve type, and part number 6211 before cutting or cementing any plumbing. Gate valve for compatible pool, spa, and equipment plumbing applications Connection details: 2" Union x 2" Union, 40 PSI Useful for directing, shutting off, or servicing water flow depending on valve style Confirm pipe diameter and connection type before gluing or threading into place Reference manufacturer part number 6211 when matching the replacement