Overview
The Johnson Controls P74FA-5 is a robust differential pressure control designed for demanding HVAC and commercial refrigeration applications. Featuring snap-acting SPDT switching action, this control delivers reliable, repeatable performance across a wide adjustable pressure differential range. Its brass bellows sensing element ensures durability and long service life, while the 1/4″ Female NPT pressure connection simplifies installation into standard piping systems.
Key Features
- SPDT (Single-Pole, Double-Throw) snap-acting switch action for positive, reliable switching
- Adjustable pressure differential range: 8 PSI to 60 PSI
- Fixed switch differential: 1.5 PSI for consistent, repeatable operation
- Pressure connection: 1/4″ Female NPT for easy field installation
- Brass bellows sensing element for corrosion resistance and long-term durability
- Electrical rating: 6 Amp at 208–600 VAC/VDC — compatible with a wide range of commercial control circuits
Specifications
- SKU: P74FA-5
- Brand: Johnson Controls
- Switch Type: SPDT, Snap Acting
- Adjustable Pressure Differential Range: 8 PSI – 60 PSI
- Fixed Switch Differential: 1.5 PSI
- Pressure Connection: 1/4″ Female NPT
- Sensing Element: Brass Bellows
- Electrical Rating: 6 Amp, 208–600 VAC/VDC
Applications
The P74FA-5 is well-suited for use in commercial HVAC systems, chillers, boilers, compressors, and refrigeration equipment where differential pressure monitoring and control is required. The wide voltage range (208–600 VAC/VDC) makes it compatible with a broad spectrum of commercial and industrial electrical systems.
