The board-mounted configuration allows for secure installation on circuit boards

Universal Mounting: The dual threaded hub design simplifies installation in standard 1/2-inch electrical knockouts

Direct OEM Replacement: Guaranteed compatibility with Reznor 28V indicator circuits for seamless integration

Common Questions What causes a rollout switch to trip on a Heil furnace

The 27F74 part number is frequently used interchangeably with the 27F7401 in Lennox technical manuals and parts catalogs

Trane SWT1260 Limit Switch The board-mounted configuration allows forThe Trane SWT1260 Limit Switch is a critical OEM safety component designed for high limit protection in residential and commercial furnaces. This 3 inch insertion limit switch features a precision L200 30 temperature rating, meaning it is engineered to open the circuit at 200F and automatically reset once the temperature drops by a 30F differential to 170F. As a direct replacement for Trane part number C340056P05, this auto reset thermal switch