Description
Johnson Controls P170CA-400 High Pressure Control Overview
The Johnson Controls P170CA-400 is a high-quality SPST (Single-Pole, Single-Throw) high pressure control designed for use with non-corrosive refrigerants in commercial and industrial HVAC/R systems. With an operating pressure range of 200 PSI to 610 PSI and an open-on-rise (Open – High) switching action, this control provides reliable high-side pressure protection to safeguard compressors and refrigeration equipment from dangerous over-pressure conditions.
Key Features
- SPST switching action: Opens on rising pressure (Open – High) for high-side protection
- Wide pressure range: 200 PSI to 610 PSI for versatile application coverage
- 1/4″ external flare connector for straightforward field installation
- Compatible with all range controls for non-corrosive refrigerants
- Broad electrical ratings: 120/208/240 VAC for use across common single-phase power supplies
- Durable construction engineered for long-term reliability in demanding HVAC/R environments
Specifications
- SKU: P170CA-400
- Brand: Johnson Controls
- Switch Type: SPST (Single-Pole, Single-Throw)
- Action: Open – High (Opens on Rising Pressure)
- Pressure Range: 200 PSI to 610 PSI
- Connection: 1/4″ External Flare
- Refrigerant Compatibility: Non-Corrosive Refrigerants
- Electrical Rating: 120/208/240 VAC
Applications
The P170CA-400 is ideal for use in commercial refrigeration systems, air conditioning equipment, and heat pumps where high-side pressure monitoring and protection is required. Its wide pressure range and broad electrical compatibility make it suitable for a variety of system configurations using non-corrosive refrigerants.
Why Choose the Johnson Controls P170CA-400?
Johnson Controls pressure controls are trusted throughout the HVAC/R industry for their precision, durability, and ease of installation. The P170CA-400 delivers dependable over-pressure protection, helping extend equipment life and reduce costly downtime. Its 1/4″ external flare connection simplifies installation, while the wide VAC rating ensures compatibility with most standard power supplies found in commercial applications.







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