are heat exchangers single pass or double pass ?
Apr 20, 2004 #1 0 02yellowgt New Member Joined Oct 23, 2002 Messages 285 Location cincinnati ohio home of the bungholes are heat exchangers single pass or double pass ?
Apr 20, 2004 #2 hpbyhermann Active Member Established Member Joined Aug 29, 2002 Messages 3,153 Location Edgewater Maryland, New shop in Beltsville Marylan exchangers... all that i know of are single pass...hermann