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The Goodman B1370154 Rollout Switch (350°F) is a genuine OEM flame-rollout safety control for the GMN060-3 gas furnace. Mounted near the burner assembly, this manual-reset switch opens the ignition circuit if flames roll out of the burner box — a dangerous condition usually caused by a blocked heat exchanger or venting problem. It is a critical safety device that shuts the furnace down before flame escape can cause damage or fire.
OEM B1370154 is set to the precise 350°F trip point and bracket geometry the GMN060-3 burner assembly requires. A generic rollout switch with the wrong temperature or fit compromises a life-safety function. Always replace with the genuine OEM part.
Rating: Easy (2/5). Usually one or two screws and spade terminals near the burner. If a rollout switch has tripped, diagnose the underlying cause (blocked exchanger, poor venting) before resetting. Disconnect power before servicing and never bypass this switch.