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The Johnson Controls P70AA-400C is a pressure control device designed for high-pressure refrigerants. It features an adjustable pressure range from one hundred to four hundred seventy psi, making it suitable for various HVAC applications.
This control enhances the efficiency of HVAC systems by ensuring proper fan operation. It uses a single-pole single-throw switch (SPST) configuration to open on low pressure, providing reliable performance in refrigeration settings.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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