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The Goodman 10123538 Manual Reset Rollout Limit Switch is a genuine OEM safety control engineered for the Amana/Goodman AMES960803BNAA gas furnace and compatible 96% AFUE models. This flame rollout switch continuously monitors the burner compartment and trips the moment it detects excessive heat from a blocked flue or improper combustion, cutting power to the gas valve to prevent an unsafe condition. Because it is a manual reset device, it must be physically reset after a fault, giving the homeowner and technician a clear signal that the furnace needs inspection.
This is the factory OEM switch — an exact-fit replacement calibrated to the trip temperature your furnace was designed around. Generic aftermarket limit switches may carry a different trip point or terminal orientation, which can cause nuisance trips or fail to protect the unit. For a safety-critical control, we recommend the OEM part.
Easy (1/5). Two mounting screws and two spade terminals. Always shut off power and gas before servicing. A basic multimeter continuity check confirms the switch before and after installation.