While we wait for Ron to put up his detailed instructions and photos,
you can see a photo of the Propex heater installed in my Syncro Westie
at:

http://www.relitech.com/tomc/party.htm

I was one of the first do-it-yourself installers,
and I did a lot of trial and error. If you search
Gerry's 1996 archive for "propex;installation"
you will get my postings as well as comments
for others. The full search address is:

http://www.med.umn.edu:8853/cgi-bin/headsearch?search=propex%3Binstallat
ion&a=v96&Search=Search

Tom F.