Trane SWT1999 Pressure Switch Els PW 17895 allowing technicians to fine-tune voltage

allowing technicians to fine-tune voltage levels to compensate for long wire runs or sensitive field controllers

Whether you are balancing a multi-zone residential boiler system or a commercial perimeter heating loop

This 70 Series economy model is engineered for single-stage 1H/1C HVAC systems

field-proven solution engineered for high-performance fluid management in commercial and residential hydronic systems

this unit maintains system pressure safely below the relief valve setting

Trane SWT1999 Pressure Switch Els PW 17895 allowing technicians to fine-tune voltageThe 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