2 Pack L200F Furnace Limit Switch With Manual Reset 200 Degree Overheat Protection Replacement Safety Switch For Most Furnaces Durable HVAC Sensor Easy Install Plug And Play

Two-Pack L200F Furnace Limit Switch with Manual Reset
✔️ 200°F overheat protection, manual reset, GNJ compatibility

The L200F furnace limit switch is a safety device that monitors the furnace plenum temperature and opens the fuel supply if 200°F is reached, preventing overheating. This 2-pack is designed for Goodman Amana furnaces and other GNJ-series units, offering a ready replacement option and easier maintenance.

✅ Temperature rating: L200F, opens at 200°F
✅ Reset type: Manual (requires activation after cooling)
✅ Function: Overheat protection for furnace combustion systems
✅ Compatible models: GNJ050N12A1, GNJ075N12A1, GNJ100N12A1, GNJ125N20A1 (verify exact unit)
✅ Includes 2 x 10123533 furnace limit switches with manual reset
✅ Replacement compatibility: suitable alternative to part 101235-33 for L200F-rated switches
✅ Pack: 2-pack value for backup or multi-unit installations

💡 What is a furnace limit switch used for in home heating systems? It's a safety device that stops fuel flow if the furnace overheats, protecting the heat exchanger and reducing fire risk. - opens at 200°F to cut fuel supply - manual reset forces inspection before restart - compatible with GNJ-series furnaces and similar L200F switches - helps confirm root causes like blower issues or airflow restrictions