Reznor 270389 Pressure Switch 0.33" WC

The Reznor 270389 Pressure Switch operates as an SPST-type part which provides reliable control and monitoring of HVAC systems. This part operates as a control element that uses 0.33" WC pressure to turn electrical circuits on or off. The Reznor unit heaters and rooftop units rely on this switch to verify proper draft and airflow before starting up because it protects safety operations. The exact operational capabilities of this system protect equipment from damage and increase safety levels simultaneously. The reliable pressure monitoring feature of this part operates as a necessary tool for furnace and heater efficiency maintenance extending equipment longevity and reducing operational disruptions.