How To Replace Spider Gasket on Pentair Pool Filter Multiport Valve | Cedar Park Pool
Tutorial on how to replace the spider gasket on a pool filter multiport valve. Buy gasket for 2" pipe multi port valve here.
The manufacture recommends using a Loctite adhesive (401, 403, and 416) that is actually cyanoacrylate (super glue). However, that is a very aggressive glue and is a huge pain to remove the gasket and clean out all the glue when it is time to replace. It is important to only apply a small bead of super glue to the bottom of the groove and not to the walls. RTV silicone is a less aggressive adhesive and will be easier to remove when it comes time to replace. RTV won't last as long as super glue, especially if the chlorine level is high, it causes the gasket to stretch and bulge.
E6000 adhesive is another option that is stronger than RTV silicone and easier to clean up than super glue.
Permatex 81731 Super Weatherstrip Adhesive is also recommended as a good adhesive that holds better than RTV silicone, but easier to clean than super glue.
3M has several similar weatherstrip adhesives that can be used for better bond than RTV silicone.
▼ WHERE TO BUY SPIDER GASKET
▼ WHERE TO BUY ADHESIVE OPTIONS
How To Repair Multiport Valve Diverter
▼ WHERE TO BUY MULTIPORT SPRING
The multiport valve spring rusts out pretty quick and will prevent your multisport valve from sealing. Replacing the spring is a lot cheaper ($10-$40) vs replacing the whole multiport valve head ($150+). For this Pentair 2" multiport valve, the spring is 1-5/8in in diameter by 1-3/8in tall.
▶ Pentair 271161 Valve Spring Replacement for HiFlow Top and Side Mount Pool/Spa Multiport Valve (AMAZON)
▶ Pentair 271161 Valve Spring Replacement for HiFlow Top and Side Mount Pool/Spa Multiport Valve (POOL WAREHOUSE.COM)
▶ This HAYWARD SPX0603S spring is the same dimensions as the Pentair 2" spring, so it can also work. It's a lot less expensive than the Pentair spring.
▼ WHERE TO BUY MULTIPORT TOP ASSEMBLY
The Pentair 2 inch multiport top valve assembly is part #
270067
MULTIPORT VALVE DETAILS
The label on the top of the multiport valve says valve body part number is 261152. I believe that is incorrectly labeled, because that valve is only for DE filters (not the Triton II sans filter). The correct valve body part # for use with the Triton II sand filters is 261055. The difference is the flow direction of the valve. The top cover, handle, and diverter are the same for both variations of the valve body.
Parts needed to rebuild the Multiport Valve Cover/Diverter assembly
#23 - Part # 191479 - O-rings - 7/8 Inch ID x 1-1/8 Inch OD x 1/8 Inch T
#21 - Part # 271161 - Valve spring
#24 - Part # 271160 - Washer, valve spring (not necessary to replace if old one is in good condition)
#25 - Part # 271157 - Washer, handle (not necessary to replace if old one is in good condition)
Specifically, this information is for the Cedar Park Pool and Clubhouse.
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How To Replace Spider Gasket on Pentair Pool Filter Multiport Valve | Cedar Park Pool
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