Fits

OEM Lennox Armstrong Ducane Furnace 2" Limit Switch Replaces L170-40F 87H91 87H9101

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Description

This is a Brand New Lennox/Armstrong/DucaneFurnace 2" Main Limit Switch rated at 170 Degrees (L170-40F). The Lennox/Armstrong/Ducane part # is 87H91 (also 87H9101). 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:
87H91 87H9101
Repair Difficulty Level:
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