MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers for Universal Series (R-454B)

MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers for Universal Series (R-454B)MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers Universal Series (R 454B) The MRCOOL UHK20 20kW Heat Kit provides maximum supplemental electric heat for MRCOOL Universal Series R 454B air handlers. With dual built in circuit breakers and factory engineered components, this high capacity heat kit installs inside compatible Universal indoor units to deliver powerful comfort in extreme cold weather. Product Overview The MRCOOL UHK20

MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers – Universal Series (R-454B)

The MRCOOL UHK20 20kW Heat Kit provides maximum supplemental electric heat for MRCOOL Universal Series R-454B air handlers. With dual built-in circuit breakers and factory-engineered components, this high-capacity heat kit installs inside compatible Universal indoor units to deliver powerful comfort in extreme cold weather.

Product Overview

The MRCOOL UHK20 Electric Heat Kit is the top-output auxiliary heating option for the Universal Series lineup. Designed for installations that demand serious electric backup heat, the 20kW capacity ensures rapid temperature recovery and stable heating performance when outdoor conditions are at their harshest.

According to the Universal Series Heat Kit specifications, the UHK20 uses dual circuit breakers, four heating relays, and multiple power cord groups to safely handle the higher electrical load. It mounts directly inside approved Universal air handlers and connects using the included wiring diagram and hardware, making it a clean, integrated solution for residential or light commercial systems that need maximum auxiliary heat capacity.

Features

• High-output 20kW auxiliary electric heat capacity
• Dual built-in circuit breakers for safety and protection
• Factory-certified accessory for MRCOOL Universal Series (R-454B)
• Delivers strong heating support in extreme low-temperature conditions
• Internal mount design keeps installation clean and streamlined
• Includes wiring diagram, breaker label, gasket, and mounting hardware
• Compatible with 208/230V single-phase power
• OEM-grade heating elements and components for long-term reliability

Compatible With

The UHK20 Heat Kit is compatible with the following MRCOOL Universal Series R-454B Air Handlers:

• UAH18036-O
• UAH18048-O
• UAH18060-O

(Compatibility based on the MRCOOL Universal Series Heat Kit model selection chart.)

Technical Specifications