OEM Lennox Armstrong Ducane Furnace 2" Limit Switch L140-40F 20001110 36T01 B2
 

This is a Brand New Lennox/Armstrong/Ducane Furnace 2" Main Limit Switch rated at 140 Degrees (L180-40F). The Lennox/Armstrong/Ducane part # is 52M42 (Also 20001110 & 36T01 B2). Thanks for looking and good luck!

Function:
 

A limit switch is a safety device designed to shut down a piece of equipment. Limits have a set point, which is in some cases, adjustable. The set point prevents the temperature or pressure from exceeding the rating of the switch.

Replaces Old Part #s:

20001110 36T01 B2

Repair Difficulty Level: difficulty graph

 

Partial List of Units that Use This Item:



Hit Ctrl+F and enter your model number for a quick search!