ensuring stable resistance readings even in high-demand environments

Can I use a universal pressure switch instead of the 73W35

Thru-Bolt) ensure compatibility with various housing designs

and Nordyne electric furnaces

making it fully suitable for R-410A systems and other high-pressure applications

Trane SWT3820 Pressure Switch 318423-701 ensuring stable resistance readings evenThe Trane SWT3820 Pressure Switch is an essential safety component designed for precise monitoring of combustion blower pressures in Trane and American Standard furnace systems. This OEM furnace pressure switch operates with tight tolerances, featuring a factory set 1. 75" WC Open and 1. 94" WC Close rating. Engineered to detect proper venting and prevent operation under restricted airflow conditions, the SWT3820 ensures the induced draft motor is