Thanks for the pic Gord, you saved my butt!
The thermostat must have came apart in shipping. I easily pressed it back together by hand.
Now I can see how it bypasses, just through the little slots.
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IMG_9676.JPG (127.99 KB, 76 downloads)

Last edited by High Plains; 11/09/2022 8:00 PM.

1961 Chevy C40 Flatbed 261