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

high-impact plastic construction ensures the display remains readable without compromising security

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

the 10P28 offers broad furnace thermocouple compatibility across Lennox G20

0 SCFH (standard cubic feet per hour) at a 20 PSIG nominal supply pressure

Trane SWT1260 Limit Switch Universal Mounting: The dual threadedThe 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