Quote:
Originally Posted by village dreamer
sounds like your thermocouple has a thermal fuse. its made to burn out and stop main burner from coming on. sometimes water heaters,the inside vent line [shaped like a donut] will crush and wont vent the hot gass out and the main burner will come on and burn the thermal fuse. need new water heater.
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Fortunately the OP heeded the advise on this forum and replaced the thermocouple which repaired his WH.
I have never heard of a thermal fuse on a gas WH. Neither has Google.
GAS WH not ELECTRIC