Trane SWT3544 Pressure Switch R-22 Contractor-Grade Durability: Built with premium

Contractor-Grade Durability: Built with premium resistive alloy to withstand the high-velocity airflow and thermal cycling of variable-speed air handlers

The 3-pole configuration provides comprehensive phase control

this air inlet box is often compatible with specific Bryant and Payne models that share the same chassis dimensions

a specific conversion kit must be installed by a qualified technician to change the regulator spring and orifice settings

Trane SWT3544 Pressure Switch R-22 Contractor-Grade Durability: Built with premiumFor mid to large scale refrigeration and HVACR systems, the Trane SWT3544 Pressure Switch is a critical safety component designed to mitigate risk from excessive head pressure. As a High Pressure Switch, this OEM replacement parts (often superceded by part number SWT03544) is factory set to trip at 650 PSI, effectively cutting the control circuit to protect the compressor from mechanical failure or system rupture. With a SPST (Single Pole Single