YS 91 ac - Check valves

[WHIP23 at aol.com]

In a message dated 4/10/03 8:12:24 AM Pacific Daylight Time, jivey61 at msn.com 
writes:

> I now just use one check valve and clean them regular.Clean them during 
> winter maintenance. We do winter maintenance,don't we?
> 
> Jim Ivey
> 
> 

Winter, what is winter?  We don't have that here, that I've noticed!!

Bob
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