Replacing Spider Gasket - How much adhesive to apply?

Jay L

Bronze Supporter
Aug 22, 2023
14
McKinney, TX
I am having to replace the spider gasket on my Hayward multiport valve as it's not turning easily, and that was one of the signs last time. Watched a bunch of videos for a refresher, and while some say to just put adhesive at the T intersections, others say to run a thin bead along the spikes and outer circle. Any opinion on which is better? When I replaced the last one a year or two ago, I did the T intersections, but now I'm having to do another replacement, so wondering if it should be glued better? Thanks.
 
Hayward recommends using Hayward SPX0710Z9, which is 3M 4799 adhesive. Hayward also provides the following instructions: Lay a bead of adhesive into the channel where the gasket sits. Place the flat side of gasket into the channel. Apply pressure to firmly seat the gasket and let dry for 24 hours.

Make sure, after 24 hours, you lubricate the gasket with pool lube (silicone lubricant like Magic Lube II...don't use a ptfe/teflon lube).
 
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