3M silcone paste..ok to use on pump lid o ring?

[willygee]

Also i may be replacing diverter valve internal assy (Hayward PSV series)..can i use this lube as well?

Amazon.com: 3M Silicone Paste, 08946, 8 oz, Clear: Automotive

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[mknauss]

Non PTFE silicone lubricant is what you want. Lube 820 is what I use. Available via Amazon.

 

[ajw22]

Use Pool Lube - Further Reading