Trane SWT1999 Pressure Switch Els PW 17895 Provides a high discharge capacity

Provides a high discharge capacity of 100

Heavy-Duty Construction: Built to withstand high-temperature thermal cycling without warping or port clogging

5 microfarad rating and a +/- 5% tolerance

Designed for 1/4" to 1/2" backflow preventers

5-inch base

Trane SWT1999 Pressure Switch Els PW 17895 Provides a high discharge capacityThe Trane SWT1999 is a critical SPDT differential pressure switch engineered for precision monitoring in residential and commercial HVAC applications. As an OEM Trane replacement part, this single pole double throw switch maintains system safety by detecting pressure variances across heat exchangers and inducer assemblies. Operating on a 0. 43 PSI set point, the SWT1999 ensures the inducer motor establishes proper draft before ignition, effectively