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The OEM Goodman 10123533 is a manual reset limit switch engineered as a critical high-temperature safety device for the AMS950453BXA gas furnace and compatible Goodman/Amana models. When the switch senses an overheat or flame rollout condition, it opens the control circuit to shut down the burners, protecting your heat exchanger and home. Unlike auto-reset limits, this switch stays tripped until manually reset—alerting you that a fault occurred and needs attention.
Our genuine OEM 10123533 trips at the exact factory-calibrated temperature, ensuring correct safety response and preserving your equipment warranty. Generic aftermarket limits may use looser tolerances that nuisance-trip or fail to protect the heat exchanger. For a safety-critical component, OEM is strongly recommended.
Easy (1/5). Typically two mounting screws and two spade connectors. Always shut off gas and power before servicing. If the switch trips repeatedly after reset, have a licensed HVAC technician diagnose the root cause—do not bypass a safety limit.