N ndak Member Joined Dec 25, 2011 Messages 13 Reaction score 0 Location Pittsburgh Sep 27, 2012 #1 Was wondering if anyone knew the O ring size for the pressure relief valve piston? I assume it could be ordered from McMaster-Carr. Thank you for your time. Vince
Was wondering if anyone knew the O ring size for the pressure relief valve piston? I assume it could be ordered from McMaster-Carr. Thank you for your time. Vince
Artifishal Well-Known Member Joined Dec 1, 2014 Messages 351 Reaction score 26 Jul 25, 2016 #2 I'm wondering the same thing. Did you ever find out?