Posted by clueless [201.237.45.94] on Tuesday, July 08, 2014 at 19:19:56 :
In Reply to: from jalopy posted by clueless [201.237.45.94] on Tuesday, July 08, 2014 at 19:05:39 :
one fellow say the residual valve is not necessary for either system but maybe i am not completely understanding what he is saying