Trane Parts SWT03221 Pressure SwitchTrane SWT03221 is a dependable switch designed for HVAC systems. This Trane parts switch delivers precise pressure control and is rated for multiple voltages and motor loads, making it a versatile replacement part for Trane equipment. Built for reliability in demanding environments, the SWT03221 acts as a core pressure switch in HVAC control circuits. It supports voltage ratings suitable for pilot duty at 24 VAC and 120 VAC, enabling safe, efficient

255 psi (immersion well)

Type: Electronic amplifier for gas-fired systems

It is Used On Item Gas Pressure Regulator and Compatible with models RV48

making it suitable for a wide range of applications

Built to handle everyday on/off cycling

Spring ranges: Yellow 3–7 PSIG

Differential 36 PSI

Durable industrial-grade design

and helps reduce energy waste over the pump’s lifespan

Key specifications include a 2

Fits standard Nordyne blower motor assemblies

Installation: Features identical connections and mounting footprint for quick retrofit with minimal downtime