Trane SWT2478 SPNO Pressure Switch -0.94" WC Open -1.13" WC Close

The Trane SWT2478 SPNO Pressure Switch is an better pressure switch for controlling the air pressure in HVAC systems. This switch opens at -0.94" WC and closes at -1.13" WC, for optimal operation and safety. It is a single pole configuration, suitable for simple on/off control applications. The switch is rated at 1/10 HP power and is suitable for use in air handling and ventilation systems. This pressure switch is used in furnaces air handlers and other HVAC equipment to provide the proper airflow and system efficiency, preventing damaging results due to out-of-pressure. With its robust design and precise operation this prolongs the longevity and reliability of HVAC systems.