I agree, look closly at the web pages on my install & you will see I used 4 tab plates secured to the top and bottom lip's with small screws, I then used flat head bolts to attach the flexalites,
Also a note on thermostats, I use Milodon's
http://www.milodon.com/water-pumps/water-pumps.asp
It looks just like the one George shows, noted better quality & an explaination as to why the difference physically, No heating cooling issues going across desert at 160+ for extended periods or stop and go in the city at 110*F with air on.
Mark
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