Description

Product Description

The Johnson P74BA-1C is a differential pressure control designed for HVAC applications. It operates as a single-pole, single-throw (SPST) switch that closes when the differential pressure decreases. This control measures pressure differences across two sensing points.

  • Pressure range of eight to seventy psi
  • Capable of detecting pressure changes in air, oil, or liquids
  • Easy adjustment for operation points

Product Highlights

This pressure control provides reliable operation for monitoring flow across chillers and cooling coils, ensuring system efficiency and safety.

Product Information

Standard Information

  • Brand: Johnson
  • MPN: P74BA-1C
  • Technical Specifications