making it compatible with most residential and light commercial HVAC control systems

This is a 200-230V

Key Benefits Direct Retrofit Compatibility: Engineered as the exact replacement for 030603

offering improved material resilience and performance standards

ensure all mating surfaces are clean of old sealant or oxidation to achieve the uniform compression required for a long-term

Trane SWT3211 Pressure Switch 319847-401 making it compatible with mostThe Trane SWT3211 Pressure Switch is an essential safety component engineered for high pressure monitoring in commercial and residential HVACR systems. As a veteran grade OEM replacement part, this switch is designed to protect the compressor from damage caused by excessive head pressure. The SWT3211 features a specific 650# open and 500# close setpoint, ensuring the system shuts down when pressure exceeds safe limits and resets only once pressure