this crankcase heater replacement significantly reduces bearing wear and preserves the integrity of the compressor's internal components

This full-featured 15A miniature relay operates on a 24VDC coil and is engineered for seamless DIN rail mounting or side-panel installation

If the switch remains open even after the system has cooled

this Apollo Valves model supports a maximum working pressure of 125 psi and handles fluid temperatures up to 212°F

For technicians servicing vintage Illinois Specialty systems

Trane SWT1190 Pressure Switch Els PW 17895 this crankcase heater replacement significantlyWhen you are troubleshooting a low pressure trip on a Trane condenser or air handler, you need a reliable Trane SWT1190 Pressure Switch to ensure the compressor does not run during low charge conditions. This OEM Trane replacement part, often superseded by SWT01190, is a high side or low side safety control (depending on system configuration) specifically calibrated with a 155 PSI open and 275 PSI close logic. In many split systems and packaged units,