Description
This is a brand new OEM Lennox Armstrong Ducane upgraded Limit Switch. It replaces the part numbers listed below.
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:
R40154B010 1NT21L-2113 40154B010
Repair Difficulty Level:
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!
