This is an o-ring replacement designed for Hayward GM-400 multiport valves. This item is identical to: O-186, Blue White 9003003, Hayward/Arneson G12, Hayward SPX072Z4, Laars S328, Pentair/American 510059, Pentair/Letro G12, Pentair/Purex P24003, 071419, Waterpik/Olympic ACM947.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed specifications.
