Meant to say vacuum line into control valve is 1/16" or so (3/32"?). Apologies. Bill Robertson #5939 >--- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote: > If you mean the heater core shutoff valve, any 5/8" will do (watch > size of vacuum nipple -- 1/8" or so). I used Factory Air #74612, > stocked by both Autozone and Advance. Differs in appearance from > factory (single piece step down). Is long lived however -- use same > part number on all my Lincolns. > > Bill Robertson > #5939 > > >--- In dmcnews@xxxxxxxxxxxxxxx, "ablemanse" <s.ableman@xxxx> wrote: > > Hi, > > > > Somewhere I saw a after market heater control valve but now that I > > need one I can't find it. Was it a Subaru? I've looked in the archives > > and saw that someone bought one at NAPA but he didn't say what it was > > ment for. > > > > TIA Steve 1089