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These OEM pressure switches are the factory-specified replacements for the Carrier CH13NA06000GACAA condenser unit. Pressure switches are safety devices that monitor refrigerant pressure on both the high and low sides of the system. When either switch detects an out-of-range pressure condition — caused by low refrigerant, a blocked coil, or a failing compressor — it opens the control circuit and shuts the system down to prevent damage. Common symptoms of a failed pressure switch include the system locking out on startup, short-cycling, or displaying a fault code related to high or low pressure protection.
Compatibility: Designed specifically for the Carrier CH13NA06000GACAA condenser. Verify OEM part numbers 312926-252 (high side) and 312926-258 (low side) against your unit's wiring diagram or existing switch label before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your system back up and running fast.