R40154B010 1NT21L-2113 40154B010 - OEM Lennox Armstrong Ducane Limit Switch

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  • R40154B010 1NT21L-2113 40154B010  Furnace Heater Gas Limit Switch Snap Disc Safety Temperature Repair Part
$46.99

Description

This is a brand new OEM Lennox Armstrong Ducane upgraded Limit Switch. It replaces the part numbers listed below.
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:
R40154B010 1NT21L-2113 40154B010
Difficulty Level
Repair Difficulty Level


Partial list of Model numbers that use this part:

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