1 pk Valve Cover o-Ring O-336 35505-1409 35505-1438 354053 Compatible for Pentair Pac Fab Top Mount 1 1/2" 26-1124, 26-1130, 26-2506 and Hayward SPX0714L jacuzzi All o rings that come

All o rings that come in contact with fluid will not swell like some of the other kits out there

seal 649695-00 and trigger valve assembly N566148

They are the right length and mesh but do not stay on the check valve when vertical

Order 13413 for the modern larger models 530 GPH (603/25FP603) and the bigger modern model 1000 GPH (637)

in 12 packs

1 pk Valve Cover o-Ring O-336 35505-1409 35505-1438 354053 Compatible for Pentair Pac Fab Top Mount 1 1/2" 26-1124, 26-1130, 26-2506 and Hayward SPX0714L jacuzzi All o rings that comeFits Models: VariFlo XL, Magnum R P PC UP, Pac Fab 700 Glas, SwimQuip ABG JW Series, JS Series Available with or without silicone lube used to delay o ring rot and no clogging buildup. Also available as a 2pk to keep a spare on hand. Primarily used on PAC FAB (PUREX TRITON SYSTEMS) TAGELUS FILTERS.