Mine is to the heat exchanger Cheers Dick Walker 740 Olive Ave. Coronado, CA 619.435.8986 On Jul 18, 2010, at 4:22 AM, Dave Anderer <danderer at udel.edu> wrote: > How do folks have the newer-style PSS plumbed? Injected from the heat > exchanger, or simply vented up high in the boat? > >> >>