Skip to Product Info
    • MRCOOL UHK08 8kW Electric Heat Kit with Circuit Breaker for Universal Series (R-454B)
    Sale!

    MRCOOL UHK08 8kW Electric Heat Kit with Circuit Breaker for Universal Series (R-454B)

    20% Off
    Sale Price $237.00 Regular Price $296.25
    Payment & Security

    Your payment is secure. We don’t store or see your card details.

    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    Pairs well with

    MRCOOL UHK08 8kW Electric Heat Kit with Circuit Breaker – Universal Series (R-454B)

    The MRCOOL UHK08 8kW Heat Kit delivers powerful supplemental electric heat for MRCOOL Universal Series R-454B air handlers. Designed with an integrated circuit breaker and OEM-grade components, this kit installs directly inside compatible Universal indoor units to provide reliable warmth during demanding cold-weather conditions.

    Product Overview

    The MRCOOL UHK08 Electric Heat Kit is a factory-engineered auxiliary electric heating module that enhances the performance of compatible MRCOOL Universal Series air handlers. Ideal for colder climates, the 8kW capacity provides fast, stable, and efficient heat output when additional heating is needed.

    According to the Universal Series Heat Kit Installation Manual, the UHK08 uses dual heating relays and works seamlessly with approved UAH-series air handlers. Its plug-in integration design, safety protections, and durable construction make it a reliable choice for residential or light commercial applications.

    Features

    • 8kW supplemental electric heat capacity
    • Built-in circuit breaker for enhanced safety
    • Factory-approved accessory for MRCOOL Universal Series (R-454B)
    • Improves comfort and heating output in low-temperature environments
    • Simple internal installation with included mounting hardware
    • Includes wiring diagram, breaker label, foam gasket & screws
    • Compatible with 208/230V single-phase power
    • Durable heating elements for long-term reliability

    Compatible With

    The UHK08 Heat Kit is compatible with the following MRCOOL Universal Series R-454B Air Handlers:

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

    (Compatibility verified via Universal Series Heat Kit model table.)

    Technical Specifications

    Brand MRCOOL
    Series Universal R-454B
    Model UHK08
    Unit Type Universal Series Heat Kit
    Heater Capacity 8kW
    Voltage 208/230V
    Phase 1
    Cycle 60 Hz
    Internal Protection Circuit Breaker
    Heater Amps 28.8/32.0 A
    MCA 37.0/42.0
    MOP 40.0/45.0
    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

     

    Product Specifications
    Oops, no results found~
    Service & Support

    Manufacturer Warranty

    This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

    Technical Support

    Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

    Product Documentation

    Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

    Parts Compatibility & Cross-Reference

    Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

    Replacement Parts & Accessories

    Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

    Customer Support

    If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

    FAQs About Our HVAC Products

    Quick answers to questions about ordering, compatibility, and installation.

    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