MRCOOL® Heat Kit with Circuit Breaker for MRCOOL Universal Series Air Handlers - R-454B. (UHK20)

Product Description 

The MRCOOL® Universal® UHK20 20kW Electric Heat Kit is the highest-capacity auxiliary heating solution designed specifically for MRCOOL Universal Series R-454B air handlers. Built for large homes, cold-weather regions, and high heating demand, this factory-matched heat kit provides powerful, reliable backup heat when outdoor temperatures push heat pump performance to its limits.

 

Unlike generic heat strips, the UHK20 is engineered as a true OEM solution, delivering seamless integration with MRCOOL Universal air handlers. It installs directly into compatible units and includes a built-in circuit breaker, simplifying electrical installation while adding an extra layer of safety and protection.

 

Operating automatically through standard thermostat control, the UHK20 activates only when supplemental heat is required, helping maintain comfort without unnecessary energy usage. This makes it an ideal choice for homeowners who want maximum heating power without sacrificing efficiency.

 

Designed for long-term durability, the MRCOOL® Universal® 20kW Heat Kit is constructed with heavy-duty electrical components and precision controls to ensure dependable performance throughout harsh winter conditions. When paired with a MRCOOL Universal Series system, it delivers true all-season comfort and peace of mind.

 

KEY FEATURES & BENEFITS

• 20kW Maximum Auxiliary Heating Output – Ideal for extreme cold climates
• OEM MRCOOL Universal® Compatibility – Designed specifically for Universal Series air handlers
• Integrated Circuit Breaker – Simplifies installation and enhances electrical safety
• Automatic Thermostat Control – Engages only when additional heat is needed
• Factory-Matched R-454B Design – Optimized for modern, low-GWP systems
• Compact, Heavy-Duty Construction – Built for long service life and reliability
• Perfect for Large Homes & High Heat Demand

 

COMPATIBILITY  

Works With MRCOOL Universal® R-454B Air Handlers

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

 

TECHNICAL SPECIFICATIONS 

• Model: UHK20
• Heat Output: 20 kW
• Voltage: 208 / 230V
• Phase: Single Phase
• Frequency: 60 Hz
• Equipment Type: Universal Series Electric Heat Kit
• Electrical Protection: Built-in Circuit Breaker
• Refrigerant Compatibility: R-454B Systems

 

DIMENSIONS & WEIGHT

Net Dimensions

• Width: 10.63 in
• Height: 8.13 in
• Depth: 22 in
• Net Weight: 8.5 lbs

Shipping Dimensions

• Width: 15 in
• Height: 10.25 in
• Depth: 25.63 in
• Shipping Weight: 16.3 lbs

 

FREQUENTLY ASKED QUESTIONS 

Q: What size home is a 20kW heat kit best for?

A: A 20kW heat kit is ideal for large homes, cold-weather regions, or systems requiring high auxiliary heating capacity.

 

Q: Does the UHK20 run all the time?

A: No. It activates only when the thermostat calls for auxiliary heat, helping manage energy consumption.

 

Q: Is the circuit breaker included?

A: Yes. The UHK20 includes a built-in circuit breaker, reducing installation complexity and increasing safety.

 

Q: Can this be used with non-Universal MRCOOL systems?

A: No. This heat kit is specifically designed for MRCOOL Universal Series R-454B air handlers only.

 

 WHY BUY  DIRECT

• ✅ Authorized MRCOOL Dealer
• ✅ Genuine MRCOOL Universal® Accessories
• ✅ Guaranteed System Compatibility
• ✅ Fast Nationwide Shipping
• ✅ MRCOOL Product Experts
• ✅ Trusted MRCOOL DIRECT Online Store

MRCOOL DIRECT.    615-553-8118