This is a brand new OEM York Luxaire Coleman upgraded Furnace Disc Limit Switch. It is a direct replacement for York Luxaire Coleman. 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.
S1-7995-3281 S1-7995-3281/A