How to Rebuild a Fleck 2510

[@HappyHermitt]

Thanks.
I have a single white seal with my kit.
Where does that one go?

[@darylvoorhees2629]

Is it always necessary to replace the spacers. Aren’t the valve seals simply O-rings. ?

[@jgibbs5801]

Is that silicone a lube or sealant?

[@Dave-ro3nj]

It's silicone