If the sail switch was a problem it never would have lit.
When it shuts down, does the fan keep running? Does the fan shut down after "cool down" or does the furnace fire back up again? If so, it sounds like the furnace overtemp is kicking in, maybe due to a flow blockage.
If everything shuts down how do you get it to fire up again? Maybe a thermostat issue or just a common furnace control board issue which Atwood furnaces are prone to have.
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Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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