Trane SWT1271 Limit Switch Q: What does the 0130M00075SP

Q: What does the 0130M00075SP low pressure switch do

Proper installation of this genuine York replacement part is essential for maintaining airflow integrity and preventing premature ignition failure or heat exchanger damage

or 142 lb-in models

offering technicians a reliable point of isolation that resists vibration and thermal cycling

you can set the dial to 240°F to match the original equipment manufacturer's safety setpoint

Trane SWT1271 Limit Switch Q: What does the 0130M00075SPThe Trane SWT1271 is a critical furnace high limit switch designed for HVAC system diagnostics and thermal protection. As a standard OEM replacement part, this auto reset limit switch prevents the heat exchanger from reaching a hazardous open temperature of 180F, cutting off power to the gas valve until the unit cools to its 150F reset point. For technicians troubleshooting furnace short cycling or 4 flash error codes on a Trane or American Standard