Carrier HK28UZ300 Timer

The Carrier HK28UZ300 Timer is a critical OEM replacement part designed for specific HVAC timing control applications within Carrier, Bryant, and Payne residential systems. As a time delay recycle timer, this component prevents short-cycling by ensuring the compressor remains off for a set interval, protecting the system from high head pressure starts and electrical stress. This factory authorized part is engineered for high-reliability HVAC cycle control, featuring a robust 94V-rated construction. Whether you are troubleshooting a blower motor timing issue or ensuring proper refrigeration sequence, this solid-state timer provides the precise electrical switching required to maintain system integrity. Please note, this component is not for use with LP gas systems. Designed for straightforward integration into existing control circuits, the HK28UZ300 serves as a direct Carrier HK28UZ300A replacement, ensuring your equipment operates within original manufacturer specifications without the risk of non-compliant aftermarket tolerances.

• System Protection: Effectively prevents compressor short-cycling, extending the life of expensive refrigeration components.
• OEM Compatibility: A genuine Carrier Factory Authorized Part ensures exact fit and electrical matching for Bryant and Payne models.
• Durable Construction: Built with 94V flame-retardant materials to withstand the thermal demands of HVAC control boards.
• Technical Precision: Maintains accurate recycle delay intervals to stabilize system pressures before restart.

Is the HK28UZ300 compatible with liquid propane (LP) units?
No, this specific time delay timer is explicitly rated for non-LP gas applications. Always verify your fuel source and system schematic before installation.

Does this part replace the HK28UZ300A?
Yes, the Carrier HK28UZ300 is an equivalent and functional OEM replacement for the HK28UZ300A recycle timer found in many residential furnace and AC units.

What happens if my recycle timer fails?
A faulty HVAC timer board can lead to immediate compressor restarts during power flickers or thermostat cycling, which often results in tripped breakers or damaged motor windings.

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.