Pay in 4 interest-free payments of $45.75 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
ÇÖs ASSE 1001 compliance and technical integrity in the field
These two part numbers are functionally and physically identical
because both brands utilize Source 1 service parts
Heavy-Duty Construction: Built to withstand high-temperature thermal cycling without warping or port clogging
DPDT Switching: Provides a "true off" position by breaking both sides of the line for enhanced safety during maintenance
Trane SWT1999 Pressure Switch Els PW 17895 ÇÖs ASSE 1001 compliance andThe 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