Description
This is a Brand New OEM Lennox/Armstrong/DucaneFurnace Main Limit Switch rated at 240 Degrees (L240-30F) . The Lennox/Armstrong/Ducane part # is 19J81 (also 19J8101). 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:
36T01B7 42343 A1411
Repair Difficulty Level:
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!