Lennox 56M13 Control Limit Reliable Signal: High-grade alloys maintain

Reliable Signal: High-grade alloys maintain a steady electrical signal to the gas valve

While primarily designed for Grindmaster-Cecilware

maintaining compatibility with existing 2-pole 40-amp circuit configurations

Key Benefits Optimal Thermal Sensitivity: The 1/2" bimetal disc provides rapid reaction times to temperature fluctuations

Lennox 56M13 Control Limit Reliable Signal: High-grade alloys maintainThe 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