Quick answers to questions about ordering, compatibility, and installation.
The MRCOOL UHK05 5kW Heat Kit provides dependable supplemental electric heat for MRCOOL Universal Series R-454B air handlers. This factory-approved kit includes a built-in circuit breaker and installs directly into compatible Universal indoor units for efficient cold-weather performance.
The MRCOOL UHK05 Electric Heat Kit is the ideal supplemental heating solution for Universal Series air handlers operating on the new R-454B refrigerant platform. Designed for seamless drop-in installation, this 5kW module enhances comfort in colder climates by providing fast, consistent electric backup heat.
Engineered by MRCOOL for perfect compatibility, the UHK05 includes an integrated circuit breaker, high-quality heating elements, and all required safety features. According to the Universal Series Heat Kit Installation Manual, the 5kW model integrates directly with select UAH-series air handlers and uses a single relay and breaker for reliable operation.
Whether you need auxiliary heat for cold snaps or full-time supplemental heating, the UHK05 delivers dependable performance aligned with MRCOOL’s Universal standards.
This 5kW heat kit is compatible with the following MRCOOL Universal Series R-454B Air Handlers:
| Brand | MRCOOL |
| Series | Universal R-454B |
| Model | UHK05 |
| GTIN | 00840255588041 |
| UPC | 840255588041 |
| Unit Type | Universal Series Heat Kit |
| Heater Capacity | 5kW |
| Voltage | 208/230V |
| Phase | 1 |
| Cycle | 60 Hz |
| Internal Protection | Circuit Breaker |
| Heater Amps | 18.0/20.0 A |
| MCA | 23.0/27.0 |
| MOP | 25.0/30.0 |
| Net Dimensions | 8.13" H × 10.63" W × 22" D |
| Net Weight | 4.5 lbs |
| Gross Dimensions | 10.25" H × 15" W × 25.63" D |
| Gross Weight | 12.1 lbs |
Quick answers to questions about ordering, compatibility, and installation.
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