Description

The MRCOOL 15kW Heat Kit with Circuit Breaker is the ideal upgrade for homeowners in colder climates who need strong, reliable auxiliary heat for their Universal R‑454B Air Handler. This high‑output electric heat kit provides powerful supplemental heating during freezing temperatures and ensures your system can operate in Emergency Heat Mode when needed.

Designed specifically for the MRCOOL Universal R‑454B Series, this heat kit installs cleanly, maintains proper airflow, and includes a factory‑integrated circuit breaker for added electrical protection and simplified installation.

Whether you’re meeting local HVAC code requirements or preparing for harsh winter conditions, this 15kW kit delivers dependable performance and peace of mind.

Key Features

• High‑Capacity 15kW Output: Provides strong supplemental heat for larger homes or colder regions.
• Integrated Circuit Breaker Enhances safety and simplifies electrical setup.
• Engineered for MRCOOL Universal R‑454B Air Handlers, ensures perfect fit, proper airflow, and full compatibility.
• Reliable Backup Heat Source Supports Emergency Heat Mode during extreme cold or system faults.
• Durable, Long‑Life Construction Built to MRCOOL’s high standards for reliability and performance.

Compatible With

This 15kW heat kit is compatible with all MRCOOL Universal R‑454B Air Handler models, including:

• UAH18024‑O
• UAH18030‑O
• UAH18036‑O
• UAH18048‑O
• UAH18060‑O

Specifications

What’s Included

• 15kW Electric Heat Kit
• Integrated Circuit Breaker
• Mounting Hardware
• Installation Documentation

Why Choose a 15kW Heat Kit?

• Ideal for larger homes or colder climates
• Provides stronger emergency heat than 5kW or 10kW kits
• Ensures your Universal system maintains comfort even during extreme winter conditions
• Helps meet regional HVAC code requirements for auxiliary heat

Frequently Asked Questions

Does this work with older R‑410A Universal air handlers?

No. This model is specifically designed for the R‑454B Universal Series.

Is the circuit breaker required?

Yes — it provides essential overcurrent protection and simplifies wiring.

Can I install this myself?

Electrical experience is recommended. Many DIYers can install it, but MRCOOL advises using a licensed electrician for safety and code compliance.

Will this reduce airflow?

No. It is engineered to fit the Universal air handler without restricting airflow.

Ideal For

• Homes in cold climates
• Installations requiring high‑capacity auxiliary heat
• Homeowners wanting a strong emergency heat backup
• Ensuring full compatibility with MRCOOL Universal R‑454B systems