Aaon P59910 Pressure Switch

The Aaon P59910 is a high-precision low pressure cutout switch specifically calibrated for R-22 refrigerant circuits in commercial HVAC units. Designed to protect the compressor from low-suction conditions, this Aaon replacement part features a fixed setpoint of 30 PSI, ensuring the system shuts down before damage occurs due to loss of charge or coil freeze-ups. This HVAC pressure switch is engineered for heavy-duty cycling and reliable electrical continuity in demanding rooftop applications. For service technicians, the P59910 offers a direct fit for Aaon pressure switch replacement needs, maintaining OEM performance standards without requiring field calibration. By monitoring the low-side refrigerant pressure, this control prevents oil slugging and catastrophic compressor failure. Ensure your system remains within safe operating parameters by verifying this component during routine maintenance or after a leak repair on older R-22 equipment.

• Factory-Calibrated 30# Setpoint: Provides accurate low-pressure protection specifically for R-22 systems without the need for manual adjustment.
• Direct OEM Compatibility: Engineered as a drop-in replacement for Aaon equipment, ensuring electrical and mechanical mounting alignment.
• Compressor Protection: Prevents operation during low-charge states, protecting the motor and internal components from overheating.
• Industrial-Grade Construction: Built to withstand the vibrations and thermal cycling common in commercial HVACR environments.

What is the reset type for the Aaon P59910?
This R-22 pressure control typically functions as an automatic reset switch, though technicians should verify the specific control circuit logic of the Aaon unit during installation.

How do I confirm if this switch is failing?
Use a calibrated manifold gauge set to check the actual suction pressure against the switch's 30 PSI trip point and verify electrical continuity across the terminals.

Can this be used with refrigerants other than R-22?
The P59910 is specifically rated for R-22 low pressure cutout applications; using it with higher-pressure refrigerants like R-410A will result in incorrect trip points and potential system damage.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.