As a veteran tech, you know that keeping a system within design parameters is non-negotiable for longevity. The Carrier HK02ZA441 Pressure Switch is a Factory Authorized Part designed specifically for high pressure monitoring in residential heating and commercial HVAC equipment. This OEM replacement part features a single pole single throw (SPST) configuration rated at 2A @ 24V and 125VA @ 115/230V. Built to strictly adhere to factory specifications, it triggers at an operating pressure open point of 303 PSI, ensuring the compressor is protected from excessive head pressure and potential mechanical failure. Whether you are servicing a Carrier furnace, ductless mini-split, or package unit, this direct mount switch provides the exact electrical and mechanical match required for a drop-in installation. Ensuring accurate pressure monitoring and reliable safety switch performance, the HK02ZA441 is the professional choice for maintaining HVAC system efficiency and safety standards across Carrier, Bryant, and Payne models.

Key Benefits

• Direct OEM Replacement: Guarantees physical and electrical compatibility with Carrier HK02ZA441 specifications without the need for field modifications.
• Critical System Protection: High-limit 303 PSI cutout prevents system overload, protecting the compressor and coils from internal damage.
• Precision Engineering: Rated for 24V control circuits and high-voltage applications up to 230V, maintaining system agency listings.
• Reliable Performance: Robust construction ensures consistent performance under varying thermal loads in both heating and cooling cycles.

Common Questions

What is the trip point for the HK02ZA441?
This switch is calibrated as a high pressure switch with an opening pressure of 303 PSI, commonly used to prevent high-side pressure spikes from damaging the system.

Is this switch compatible with Bryant and Payne units?
Yes, as a Factory Authorized Part, it is the standard high pressure limit switch for many Carrier, Bryant, and Payne residential and commercial models.

Does this switch require professional installation?
For proper HVAC safety switch operation and to ensure the refrigerant circuit remains sealed, installation should be performed by a licensed HVAC technician familiar with pressure monitoring components.

Item is Non Cancelable / Non Returnable

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.