Quick answers to questions about ordering, compatibility, and installation.
Notify Me When Available
MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers for Universal Series (R-454B)
Regular Price
$387.00
Press & drag to view
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
| Brand | MRCOOL |
| Series | Universal R-454B |
| Model | UHK20 |
| Unit Type | Universal Series Heat Kit |
| Heater Capacity | 20kW |
| Voltage | 208/230V |
| Phase | 1 |
| Cycle | 60 Hz |
| Internal Protection | Dual Circuit Breakers |
| Heater Amps (Ckt 1) | 36.0/40.0 A |
| MCA (Ckt 1) | 46.0/53.0 |
| MOP (Ckt 1) | 50.0/60.0 |
| 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 |
FAQs About Our HVAC Products
Ordering & Compatibility
1. Do you sell HVAC equipment to homeowners and DIY installers?
Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.
2. How do I know if this HVAC product is compatible with my system?
Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.
3. Can HVAC contractors purchase from Freedom HVAC Supply?
Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.
Installation & Support
1. Do HVAC systems require professional installation?
Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.
2. Can you help me choose the right HVAC system or part?
Yes. Our support team can assist with product selection based on your application, space, and installation needs.
3. Do you provide installation manuals or documentation?
Manufacturer installation guides and documentation are included or available upon request for most products.
Warranty & Shipping
1. Do HVAC products include a manufacturer warranty?
Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.
2. Do you ship HVAC equipment nationwide?
Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.
3. What should I know about freight delivery for HVAC equipment?
Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.
Need HVAC Help?
Get help with ordering, compatibility, or installation questions.
Recently viewed
Last seen items
