On 10/27/10, Bud Rolofson <levilevi at comcast.net> wrote: > The o-ring you need is 2-114. Make sure it is viton which is > resistant to gas/oil/etc. Would an o-ring of Nitrile/Buna-N also suit? I mention that as I have found a nice assortment of those at my neighborhood Ace Hardware. Geo