and oxides that can lead to compressor failure or thermal expansion valve (TXV) plugging

Look for visible cracks in the pipe

technicians should verify the minimum activation flow rate against the appliance’s technical manual during startup

Extended Contact Life: Silver cadmium oxide contacts improve durability when switching heavy inductive motor loads

Universal Compatibility: Functions as a direct cross-reference for Mars

Trane SWT2968 Pressure switch 321894-706 and oxides that can leadThe Trane SWT2968 Pressure Switch is an essential OEM industrial control designed for high precision air pressure monitoring in residential and commercial HVAC units. This Single Pole Single Throw (SPST) switch features a narrow differential, specifically calibrated to open at 1. 36" W. C. and close at 1. 55" W. C., ensuring safe and efficient furnace or blower operation. Designed with a robust brass body and stainless steel diaphragm, the SWT2968