Description
The MRCOOL 7.5kW Heat Kit R454B is a factory‑engineered electric heat accessory designed for MRCOOL Signature Series R‑454B multi‑position air handlers. This upgraded 7.5kW model delivers stronger supplemental heat output than the 5kW version, making it ideal for colder climates, larger rooms, or homeowners who want more robust electric backup heat.
Built to MRCOOL’s strict engineering standards, this heat kit installs cleanly inside the compatible air handler and maintains full system integrity and warranty compliance. It provides dependable electric heat during cold snaps, emergencies, or whenever additional heating support is needed. With a compact design, integrated safety controls, and factory‑approved compatibility, the MRCOOL 7.5kW Heat Kit R454B is a reliable upgrade for year‑round comfort.
Key Features
- 7.5kW supplemental electric heat for stronger heating performance
- Designed for R‑454B Signature Series multi‑position air handlers
- Factory‑approved accessory that maintains the MRCOOL warranty
- Reliable backup heat for cold snaps or emergencies
- Compact, easy‑fit design for fast installation
- Integrated safety controls for dependable operation
- Ideal for larger rooms or cooler climates
MRCOOL 7.5kW Heat Kit R454B Specifications
| Specification | Details |
|---|---|
| Model Number | MCAEHFD7X1AA |
| Heating Capacity | 7.5 kW |
| Refrigerant Type | R‑454B |
| Application | Multi‑position air handlers |
| Gross Depth | 14.13 in |
| Gross Height | 9.25 in |
| Gross Width | 10.38 in |
| UPC | 840433618577 |








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