"RLM" wrote in message
...
On Mon, 20 Oct 2008 16:32:43 +0000, S.Daley wrote:

Any suggestions for lubricating O-Rings that are used for water pumps,
basically I want to extend useful life as much as possible. Someone
suggested lithium grease?

SD

Petroleum Jelly (Vaseline)

I don't think so---will eventually ruin the O ring
mld