OEM Lennox Armstrong Ducane Furnace Limit Switch Fits 35K60 35K6001 1NT21L-2604
 

This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace 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:

35K60 35K6001 1NT21L-2604

Repair Difficulty Level: difficulty graph

Partial List of Units that Use This Item:



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