SKU: 17377923573

MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers for Universal Series (R-454B)

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Description

MRCOOL UHK20 20kW Electric Heat Kit with Dual Circuit Breakers for Universal Series (R-454B)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

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

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 17377923573

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Nicole Fors
Dallas, US
★★★★★ 5
Thick and durable
Size: 100 Count
Very heavy and good quality. Don't bend. Good price for the quantity.
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Reviewed in the United States on May 30, 2026
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Avid Reader
San Leandro, US
★★★★★ 4
Would have liked more sturdy
Size: 150 Count (Pack of 1)
We’re not as sturdy as I would have liked
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Reviewed in the United States on May 16, 2026
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JAH
Bozeman, US
★★★★★ 5
Good paper bowls & a great deal.
Size: 100 Count
Strong, soak proof and grease resistant. I was going to order Dixie plates and these popped up and were a better deal.
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Reviewed in the United States on May 27, 2026
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Trina Busey
Lowell, US
★★★★★ 5
Sturdiness
Size: 150 Count (Pack of 1)
Nice & heavy duty. Good price.
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Reviewed in the United States on May 27, 2026
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cathy fisher
Grantham, US
★★★★★ 5
Purchased several times
Size: 150 Count (Pack of 1)
These plates are great. They are better than store-bought. Very sturdy and helpful. When unable to stand any length of time doing dishes. Easy cleaning.
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Reviewed in the United States on May 15, 2026

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