Pay in 4 interest-free payments of $2.88 Learn more
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
maintaining compatibility with existing 2-pole 40-amp circuit configurations
Common Questions: Is this part suitable for natural gas
Broad Thermal Range: Precision calibrated for 180-210F temperature rating to protect the heat exchanger from overheating
This model is the direct replacement for 43-25133-05
This furnace high limit switch features a 170
Lennox 56M13 Control Limit maintaining compatibility with existing 2-poleThe Lennox 56M13 Control Limit is a critical high temperature safety component engineered for precision in gas furnace and HVAC system applications. This SPST (Single Pole Single Throw) switch provides indispensable protection by monitoring heat exchangers and duct temperatures, ensuring reliable safety shutoff during overheating events. This specific Lennox limit switch is often identified as 56M1301, confirming precise OEM replacement compatibility
