MRCOOL UHK15 15kW Electric Heat Kit with Circuit Breakers for Universal Series (R-454B)

MRCOOL UHK15 15kW Electric Heat Kit with Dual Circuit Breakers – Universal Series (R-454B)

The MRCOOL UHK15 15kW Heat Kit delivers high-capacity supplemental electric heat for MRCOOL Universal Series R-454B air handlers. Featuring dual built-in circuit breakers and factory-approved OEM components, this heat kit installs internally to provide powerful and reliable comfort during extreme cold weather.

Product Overview

The MRCOOL UHK15 Electric Heat Kit is engineered to integrate directly into compatible Universal Series air handlers, offering one of the highest auxiliary heat outputs available in the lineup. The 15kW capacity ensures rapid temperature recovery and dependable heating support even in harsh winter conditions.

According to the Universal Series Heat Kit specifications, the UHK15 includes two circuit breakers, three heating relays, and three power cord groups to safely support the higher electrical load. With its rugged construction and OEM-grade design, this heat kit provides long-lasting, efficient performance for residential and light commercial systems requiring maximum backup heat.

Features

• High-capacity 15kW electric auxiliary heating
• Dual built-in circuit breakers for enhanced safety
• Factory-certified accessory for MRCOOL Universal Series (R-454B)
• Boosts heating performance during extreme low temperatures
• Internal installation for a clean, integrated system design
• Includes wiring diagram, breaker label, gasket, and mounting hardware
• Compatible with 208/230V single-phase power
• Heavy-duty heating elements for reliable long-term operation

Compatible With

The UHK15 Heat Kit is compatible with the following MRCOOL Universal Series R-454B Air Handlers:

• UAH18024-O
• UAH18030-O
• UAH18036-O
• UAH18048-O
• UAH18060-O

(Compatibility based on MRCOOL Universal Series Heat Kit specification chart.)

Technical Specifications

Brand	MRCOOL
Series	Universal R-454B
Model	UHK15
Unit Type	Universal Series Heat Kit
Heater Capacity	15kW
Voltage	208/230V
Phase	1
Cycle	60 Hz
Internal Protection	Dual Circuit Breakers
Heater Amps (Ckt 1)	18.0/20.0 A
MCA (Ckt 1)	23.0/27.0
MOP (Ckt 1)	25.0/30.0
Heater Amps (Ckt 2)	36.0/40.0 A
MCA (Ckt 2)	46.0/53.0
MOP (Ckt 2)	50.0/60.0
Net Depth	22 in
Net Height	8.13 in
Net Width	10.63 in
Net Weight	4.5 lbs
Gross Depth	25.63 in
Gross Height	10.25 in
Gross Width	15 in
Gross Weight	12.1 lbs