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lead-in corrosion from secondary heat exchanger leaks
Industry Compliance: Meets ANSI Z21
Use a manometer to verify the draft before replacing the switch
Will this wire fix a "4-flash" ignition failure code
If your technical manual lists 025-35366-002
Trane SWT3967 Rollout Switch 326010-701 lead-in corrosion from secondary heatThe Trane SWT3967 Rollout Switch is a critical safety component designed for furnace, boiler, and air handler applications. As a veteran grade 190F flame rollout switch, this device monitors the combustion area for abnormal thermal conditions, such as a cracked heat exchanger or blocked flue, which cause flames to roll out and threaten unit integrity. Featuring a manual reset button, this SPST (Single Pole Single Throw) safety limit provides high