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Universal Series
MRCOOL Universal Series Heat Kits - 5KW, 8KW, 10KW, 15KW, 20KW - R454B
$181.00
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Brand Information
MrCool
- Support Number
- (270)366-0457
- Official Site
- MrCool Official Site
Product Overview Full product description Read the longer product copy, features, and application notes. +
MRCOOL — Accessories
MRCOOL Universal Series Heat Kits - 5KW, 8KW, 10KW, 15KW, 20KW - R454B
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MRCOOL Universal Series Heat Kits - 5KW, 8KW, 10KW, 15KW, 20KW - R454B
Overview
MRCOOL Universal Series Heat Kits provide essential supplemental heating for your heat pump system, ensuring reliable comfort during extreme cold weather conditions. These electric resistance heat kits serve as emergency backup heat and enhance your system's heating capacity when temperatures drop below the heat pump's optimal operating range. Each kit comes complete with its own circuit breaker for simplified installation and enhanced safety.
Available in five capacity options ranging from 5KW to 20KW, these heat kits are designed to seamlessly integrate with MRCOOL Universal Series Air Handlers. They provide crucial auxiliary heat that kicks in automatically when needed, ensuring your home remains comfortable even during the coldest winter days. The compact design allows for easy installation while maintaining the efficiency and reliability that MRCOOL systems are known for.
Whether you need basic supplemental heat for moderate climates or robust backup heating for severe winter conditions, MRCOOL Universal Series Heat Kits offer the perfect solution. Each kit is engineered for compatibility, safety, and performance, backed by MRCOOL's commitment to quality and customer satisfaction.
Why Add a Heat Kit to Your System?
- Emergency Backup Heat: Provides heating when your heat pump cannot keep up with extreme cold
- Enhanced Comfort: Maintains consistent temperatures during severe winter conditions
- Automatic Operation: Integrates seamlessly with your thermostat control system
- Safety Features: Includes built-in circuit breaker for overload protection
- Easy Installation: Designed specifically for MRCOOL Universal Series Air Handlers
- Climate Flexibility: Choose the capacity that matches your regional heating needs
Available Heat Kit Options
5KW Heat Kit (UHK05)
- Capacity: 5,000 Watts
- Compatible With: UAH18024-O, UAH18030-O, UAH18036-O
- Best For: Moderate climates with occasional cold snaps
- Weight: 4.5 lbs
8KW Heat Kit (UHK08)
- Capacity: 8,000 Watts
- Compatible With: UAH18024-O, UAH18030-O, UAH18036-O, UAH18048-O
- Best For: Colder climates with regular winter freezing
- Weight: 5.7 lbs
10KW Heat Kit (UHK10)
- Capacity: 10,000 Watts
- Compatible With: UAH18024-O, UAH18030-O, UAH18036-O, UAH18048-O, UAH18060-O
- Best For: Cold climates with extended freezing periods
- Weight: 5.3 lbs
15KW Heat Kit (UHK15)
- Capacity: 15,000 Watts
- Compatible With: UAH18024-O, UAH18030-O, UAH18036-O, UAH18048-O, UAH18060-O
- Best For: Very cold climates with severe winter conditions
- Weight: 7.1 lbs
20KW Heat Kit (UHK20)
- Capacity: 20,000 Watts
- Compatible With: UAH18036-O, UAH18048-O, UAH18060-O
- Best For: Extreme cold climates and large homes
- Weight: 8.5 lbs
Quick Selection Guide
| Heat Kit Model | Capacity | Compatible Air Handlers | Recommended Climate |
|---|---|---|---|
| UHK05 | 5KW | 1.5-3 Ton Units | Moderate (Occasional freezing) |
| UHK08 | 8KW | 1.5-4 Ton Units | Cold (Regular freezing) |
| UHK10 | 10KW | 1.5-5 Ton Units | Very Cold (Extended freezing) |
| UHK15 | 15KW | 1.5-5 Ton Units | Severe (Harsh winters) |
| UHK20 | 20KW | 3-5 Ton Units | Extreme (Very harsh winters) |
Key Features:
- Complete with Integrated Circuit Breaker
- Specifically Designed for MRCOOL Universal Series Air Handlers
- 208/230V, 1-Phase, 60 Hz Operation
- Compact Design for Easy Installation
- Automatic Thermostat Integration
- Built-in Safety Overload Protection
- Corrosion-Resistant Construction
- Easy Maintenance Access
Technical Specifications
| Specification | UHK05 | UHK08 | UHK10 | UHK15 | UHK20 |
|---|---|---|---|---|---|
| Model Number | UHK05 | UHK08 | UHK10 | UHK15 | UHK20 |
| Heating Capacity | 5,000 Watts | 8,000 Watts | 10,000 Watts | 15,000 Watts | 20,000 Watts |
| Electrical | 208/230 V, 1-Phase, 60 Hz | ||||
| Dimensions (HxWxD) | 8 1/8" × 10 5/8" × 22" | ||||
| Net Weight | 4.5 lbs | 5.7 lbs | 5.3 lbs | 7.1 lbs | 8.5 lbs |
Compatibility Information
All MRCOOL Universal Series Heat Kits are compatible with the following air handlers:
- UAH18024-O (1.5-2 Ton Units)
- UAH18030-O (2.5 Ton Units)
- UAH18036-O (3 Ton Units)
- UAH18048-O (4 Ton Units)
- UAH18060-O (5 Ton Units)
Note: 20KW kit (UHK20) is only compatible with 3-ton and larger units
Installation & Manuals
Please note: Heat kits must be installed by a qualified HVAC technician. Proper electrical wiring and circuit protection are required for safe operation.
Warranty Information
- 1 Year Limited Warranty on Heat Kits
- Professional installation required for warranty validation
Specs & Documents Product details Open technical specs, manuals, videos, and product documents. +
Product FAQs
Product FAQs
Helpful answers matched to this product, brand, specs, and configuration.Where should I purchase MRCOOL equipment?
MRCOOL products are sold through authorized retailers and distributors rather than directly by MRCOOL to consumers. Purchasing through an authorized seller helps confirm that the equipment is genuine and that the correct purchase records are available for product and warranty support.
Can MRCOOL components from different series, generations, or refrigerant platforms be mixed?
Do not assume that MRCOOL indoor units, outdoor units, line sets, controls, or accessories are interchangeable. Use only manufacturer-approved combinations for the exact model family; in particular, MRCOOL states that R-410A products are not compatible with R-454B products and the refrigerants must never be mixed.
What makes an eligible MRCOOL DIY system different from a conventional mini-split?
Eligible MRCOOL DIY systems are designed around installation-friendly components such as factory-precharged line sets and compatible connection hardware. The included components vary by generation and package, and electrical work, permits, clearances, and local code requirements still need to be followed.
Does MRCOOL send technicians to a home or jobsite?
MRCOOL does not dispatch field technicians. Its in-house team provides phone and email assistance for diagnosis, troubleshooting, and product guidance, while the owner arranges and pays for any local on-site technician unless a specific written warranty program states otherwise.
Why do I need the exact MRCOOL model and serial number?
The model and serial number identify the exact equipment, generation, capacity, and applicable documentation or warranty. Use the identification labels on the equipment and MRCOOL’s registration guidance rather than relying only on a product title or general series name.
Are all MRCOOL systems designed for do-it-yourself installation?
No. Only product families specifically identified by MRCOOL as DIY-capable should be treated as do-it-yourself systems. Other lines, including the Advantage Series, require professional HVAC installation, so always follow the installation requirements for the exact model.
Where can I find MRCOOL manuals, specifications, certifications, and installation documents?
MRCOOL maintains a documentation library and a product support center with model-specific installation manuals, owner manuals, technical documents, certifications, warranty information, and troubleshooting resources. Search using the exact model number because documents can differ by series, generation, capacity, and refrigerant.
What types of products does MRCOOL offer?
MRCOOL offers a broad range of comfort products, including ductless mini-splits, central ducted split systems, packaged heat pumps, geothermal systems, water heaters, fans, thermostats, line sets, and HVAC accessories. Available capacities, refrigerants, efficiencies, and features depend on the exact product family and model.
When should an MRCOOL system be registered?
Register the system as soon as possible after purchase and installation. Several MRCOOL residential warranty programs require registration within 60 days of installation, or within 60 days of purchase when the installation date cannot be verified, but the exact requirement is controlled by the warranty document for the specific product.
Where can I purchase replacement parts for an MRCOOL system?
MRCOOL recommends starting with the original place of purchase because many dealers can special-order replacement parts. If that is not available, use an authorized MRCOOL parts distributor and confirm compatibility with the exact model and serial number before ordering.
How can I contact MRCOOL customer or technical support?
MRCOOL provides support by phone at (270) 366-0457, by email at support@mrcool.com, and through its online support-request form. Have the exact model and serial number available so the support team can identify the correct product documentation and next steps.
Can MRCOOL support work with my local HVAC technician?
Yes. If a local technician is scheduled, MRCOOL’s in-house support team can help coordinate troubleshooting and product guidance with that technician. The technician should have the model, serial number, system configuration, measurements, error codes, and a clear description of the issue available.
Where can I find MRCOOL troubleshooting and error-code information?
MRCOOL’s support center provides separate technical-support sections for ductless systems, residential ducted systems, product-specific error codes, wiring guidance, installation procedures, and troubleshooting articles. Use the exact series and model because codes and procedures are not universal across all MRCOOL equipment.
How do I register an MRCOOL product for warranty coverage?
Register the product through MRCOOL’s online warranty-registration page. Be prepared to provide the serial number along with purchase, owner, installation-location, and installer information requested by the registration form.
Does every MRCOOL product have the same warranty?
No. MRCOOL publishes separate warranty terms for different product families, generations, and applications. For example, the current DIY 5th Generation warranty lists 5-year parts and 7-year compressor coverage, but that coverage should not be assumed for another MRCOOL series; always check the exact product warranty document.