Trane SWT1277 Limit Switch This switching relay provides reliable

This switching relay provides reliable control for blower motors

this specific orifice is color-coded red and sized exclusively for liquid propane (LP) gas

serving as the primary defense against heat exchanger failure and overheating

Versatile Application: Compatible with various Sensus 496 orifice sizes to handle different inlet pressures and flow capacities

this manual reset spill switch prevents the boiler from cycling under dangerous conditions

Trane SWT1277 Limit Switch This switching relay provides reliableThe Trane SWT1277 Limit Switch is a critical safety component designed for precise thermal regulation in Trane and American Standard HVAC furnaces. As a high limit automatic reset switch, it monitors the supply air and heat exchanger temperatures to prevent hazardous overheating. This genuine OEM furnace limit switch features a 3 inch insertion length, ensuring accurate sensing deep within the plenum or blower housing. Operating on a normally closed