Trane SWT3251 Switch 320720-756 If the system is above

If the system is above 44 PSI and the switch remains open (no continuity)

as well as the NX models

making it a drop-in replacement for standard heating applications and furnace manifolds

When should I install a liquid line solenoid valve

or a loose set screw can lead to imbalance

Trane SWT3251 Switch 320720-756 If the system is aboveThe Trane SWT3251 High Pressure Cut out Switch is a critical safety component designed for commercial HVAC maintenance and repair. This 1 pole, normally closed electronic switch is engineered to safeguard compressors in high capacity Trane and American Standard systems by interrupting the control circuit when head pressures exceed safe operating limits. Constructed with a resilient stainless steel torsion spring disc, this OEM part offers superior