this 180-20 LB limit switch features a durable metal mounting base and screw terminals for a secure

Durable Construction: Heavy-duty housing and terminal pins designed to withstand high-vibration HVAC environments

000-hour operational life and maintains stable capacitance across a temperature range of -40°C to +70°C

Direct OEM Compatibility: Specifically engineered for the McDonnell & Miller WF-2 and WFE series

or visible bulging (doming) of the capacitor's top terminal plate

Lennox 18H01 Limit Switch 321702-401 this 180-20 LB limit switchThe Lennox 18H01 Limit Switch is a high precision OEM replacement part engineered for critical thermal protection in heating and air conditioning systems. This specific L140 40F limit control is designed to monitor internal temperatures with an auto reset function, automatically breaking the electrical circuit if temperatures exceed the 140F threshold and restoring operation once conditions drop to 100F. Built with a rugged housing to withstand the