Description
Johnson Controls P20BB-1 Pressure Control Overview
The Johnson Controls P20BB-1 is a robust pressure control designed for demanding HVAC and refrigeration applications. With a wide operating range of 7 PSI to 150 PSI, this control provides dependable pressure-sensing performance across a broad spectrum of system configurations. The open-low switching action opens the circuit when pressure drops below the set point, providing essential low-pressure protection for compressors and refrigeration circuits. The manual reset feature requires deliberate operator intervention before the system can restart after a trip, helping technicians identify and address the root cause of a pressure fault before returning equipment to service.
Key Features
- Wide pressure operating range: 7 PSI to 150 PSI
- Open Low switching action — circuit opens on pressure drop
- Manual reset operation for enhanced system safety
- Designed for HVAC and refrigeration pressure control applications
- Reliable Johnson Controls engineering and construction
Application
The P20BB-1 is well-suited for use as a low-pressure safety control on refrigeration compressors, chillers, and commercial HVAC equipment. The manual reset function ensures that nuisance restarts are prevented and that service personnel can properly evaluate system conditions following a low-pressure trip event.
Specifications
- Brand: Johnson Controls
- Model / SKU: P20BB-1
- Pressure Range: 7 PSI to 150 PSI
- Switch Action: Open Low
- Reset Type: Manual Reset
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