This o-ring is designed to replace PacFab Hydroseal brass shaft o-ring 11/16 inches O.D. Measurements: 11/16″ OD and 1/2: ID. It is identical to O-39, Anthony 17437, Doughboy 3081001, 3081009, Ezchlor 1269009, Jacuzzi 31094303R, 31160906R, 47011200R, Jandy 1137, Martec/Sonfarrel 201010, 205104, Pentair/American 510031, Pentair/PacFab 273011, Pentair/Purex P62112, 072555, Polaris E45, P40, Premier 29113, Speck 2923541220, Sta-Rite U9147, U9359, U178920P, Sta-Rite/Swimquip 250100200, SwimRite 28828675, 30828750, 30828756, Waterway 3030174, 8050112.
This o-ring has been manufactured in accordance with OEM specifications and are designed to meet or exceed the original manufacturer specifications.
