The Lennox 15M43 Limit/Rollout Switch/Thermostat helps maintain optimal performance by ensuring the unit maintains the correct temperature and stays within safe operating ranges, preventing overheating and excessive wear.
Using real OEM thermostats and high limits ensures that your new part will fit your unit perfectly
Fits popular G12RD2-82-06, G12RQ3-137-05, G12RD2-82-05 units and more (see FITS MODELS below for complete list)