Upgraded Furnace Limit Switch For 87F16 87F1601 L140-30F L140F-40 36T01B3 Precise Temperature Control Overheat Protection Easy Install Durable Replacement For Heating Systems
✔️ Single unit, plug-and-play install, precise temp control
This upgraded furnace limit switch is a critical safety component designed for Lennox heating systems. It monitors furnace temperature and automatically cuts power to the heating element when the limit is reached, then restarts once cooled, protecting equipment and maintaining safe operation in home HVAC setups.
✅ Broad compatibility with Lennox models 87F16, 87F1601, L140-30F, and 36T01B3
✅ Precise temperature control and automatic reset to prevent overheating
✅ Durable, high-temperature materials and corrosion-resistant components for long-lasting performance
💡 What is a furnace limit switch used for and why is it a handy upgrade for home heating systems? It protects the system by monitoring temperature and cutting off power to the heating element when the limit is reached, then resets after cooling. - Handy overheating protection for furnaces - Compatible with Lennox models 87F16, 87F1601, L140-30F, 36T01B3 - Easy plug-in installation with a 3-inch insertion length