Description
Johnson Controls P70GA-27 Dual-Circuit Pressure Control
The Johnson Controls P70GA-27 is a heavy-duty, dual-circuit pressure control engineered for reliable pressure-sensing and switching in commercial HVAC and refrigeration systems. With a 20 to 100 PSI operating range and an open-on-rise (Open Low) action, this control is well suited for low-pressure cut-out and safety applications across a wide variety of refrigerant and fluid systems.
Key Features
- Pressure range: 20 to 100 PSI
- 4-wire, 2-circuit design for versatile wiring configurations
- One Normally Open (NO) and one Normally Closed (NC) output circuit
- Open Low action — contacts open on pressure drop (rising pressure closes)
- 1/4″ Female NPT (FNPT) pressure connection for easy field installation
- Dual-circuit output allows simultaneous control of two independent loads or signals
Applications
- Commercial refrigeration low-pressure cut-out control
- HVAC compressor protection and staging
- Chiller and condensing unit pressure safety circuits
- Industrial fluid pressure monitoring and switching
Why Choose the P70GA-27
Johnson Controls’ P70 Series pressure controls are a trusted industry standard, known for their rugged construction and consistent performance in demanding environments. The dual-circuit configuration of the P70GA-27 provides added flexibility, enabling both a normally open and a normally closed switching output from a single pressure-sensing device — reducing the need for additional controls and simplifying panel wiring. The 1/4″ FNPT connection ensures compatibility with standard refrigeration and HVAC service ports.
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