Trane Parts SWT03221

Trane 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 operation across cooling and heating stages. With a 1/10 HP motor load rating and compatible electrical characteristics (3 FLA, 18 LRA at 24 VAC), it ensures smooth start-up and stable operation over time. The open and close differentials are engineered for precise control, opening at -1.36 wc and closing at -1.55 wc to maintain comfortable pressure balances.

• Electrical ratings: 28 VA pilot duty at 24 VAC; 125 VA pilot duty at 120 VAC
• Load capacity: 1/10 HP, 3 FLA, 18 LRA at 24 VAC
• Pressure differential: Open at -1.36 wc; Close at -1.55 wc
• Compatibility: Trane replacement part SWT03221 for HVAC control systems