Description

The 8kW Heat Kit with Circuit Breaker for MRCOOL Universal Series R‑454B Air Handlers provides strong, efficient supplemental heat for colder climates or installations where the heat pump needs additional support. This model bridges the gap between the smaller 5kW kit and the heavier 10kW/15kW options, offering excellent performance without excessive electrical demand.

Engineered specifically for MRCOOL Universal R‑454B air handlers, this heat kit installs cleanly, maintains full system compatibility, and ensures safe, reliable operation through built‑in overcurrent protection.

Whether you’re preparing for winter cold snaps or ensuring dependable backup heat, this 8kW kit delivers the perfect balance of power and efficiency.

Key Features

• 8kW Electric Heat Output provides a strong supplemental heat boost ideal for moderate‑cold climates.
• Integrated Circuit Breaker Factory‑installed for safe operation and simplified electrical wiring.
• Designed for MRCOOL Universal R‑454B Air Handlers. Ensures proper fitment, airflow, and electrical compatibility.
• Reliable Backup Heat Supports the heat pump during freezing temperatures and defrost cycles.
• Durable Heating Elements Built for long‑term performance and consistent heat delivery.
• Easy Installation Mounts directly into the Universal Series air handler with minimal steps.

Compatible With

This 8kW heat kit is compatible with the following MRCOOL Universal Series R‑454B Air Handlers:

• 2‑Ton Universal R‑454B Air Handler
• 3‑Ton Universal R‑454B Air Handler
• 4‑Ton Universal R‑454B Air Handler
• 5‑Ton Universal R‑454B Air Handler

Technical Specifications

• Heat Output: 8 kW
• Breaker Included: Yes (factory‑integrated)
• Voltage: 208/230V
• Phase: Single‑phase
• Application: Supplemental electric heat for MRCOOL Universal R‑454B systems
• Mounting Location: Internal air handler installation
• Safety Features: Overcurrent protection, thermal safeguards

What’s Included

• 8kW electric heat kit
• Integrated circuit breaker
• Mounting hardware (if applicable)
• Installation documentation

Ideal For

• Homes in moderate‑cold climates
• Installations needing more heat than 5kW but less electrical load than 10–15kW
• Backup heat during freezing temperatures
• Universal Series systems requiring balanced supplemental heating