Leaking Ultra Flow- Just replaced...

[unknowndread]

The pump body o ring is the largeeat one , that essentially sits just behind that large stainless compression band , correct ?

[PoolDoc]

Yep, that's it.

[unknowndread]

Let me ask you this: Does the silicone lube aid in sealing or does it just prevent the rubber from sticking to surfaces? I was pretty conservative with its use when I applied it...