Description
The Johnson Controls P70AA-1 is a single-pole, single-throw (SPST) high pressure control engineered for reliable refrigeration and HVAC system protection. Featuring a wide operating range of 20″ WC to 100 PSI, this pressure control is designed to monitor and respond to high-side system pressures, helping safeguard compressors and refrigeration circuits from damaging over-pressure conditions.
Key Features
- Single-pole, single-throw (SPST) switching action for straightforward high-pressure cutout applications
- Wide pressure sensing range: 20″ WC to 100 PSI
- 1/4″ flare nut connection with capillary tube for easy field installation
- Compact, durable construction suited for commercial and light industrial refrigeration systems
- Designed for high-pressure side monitoring to protect compressors from over-pressure damage
Specifications
- Brand: Johnson Controls
- Model / SKU: P70AA-1
- Switch Type: SPST (Single Pole, Single Throw)
- Pressure Range: 20″ WC to 100 PSI
- Connection Type: 1/4″ Flare Nut with Capillary
- Application: High Pressure Control
Application
The P70AA-1 is ideal for use in commercial refrigeration equipment, condensing units, and HVAC systems where high-side pressure monitoring is required. The capillary-style sensing connection allows flexible placement near the high-pressure line, while the SPST output integrates cleanly into compressor control circuits for automatic shutdown on over-pressure events.
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