Originally Posted by brownie289
You can actually see it glowing hot before it shuts off!!
The rivet is broken and making a high resistance connection.
The current through the high limit switch is not enough for it to open at the right temperature, I am guessing.
The nut you see and two wire spade connectors are the only things holding the thermostat on the tank.
GREAT photo's by the way!
Lou and Laura with Bella - German Short Hair Pointer
2008 GMC Sierra 2500HD Crewcab SB Allison Duramax
2010 Flagstaff 8526RLWS - Superglide 3300
HAM CALLSIGN - KC3FFW