MRCOOL Universal Series R-454B Air Handler UAH18048-O Highlights
- The MRCOOL® Universal® Series 48K Air Handler is a high-efficiency HVAC solution engineered to deliver consistent, year-round comfort while helping homeowners cut down on energy costs.
- Whether you're upgrading an aging system or installing new equipment, this unit offers the ideal combination of performance, efficiency, and reliability.
- Designed with installation flexibility in mind, the Universal® 48K supports multiple configurations—including vertical, horizontal, and downflow setups—making it a versatile fit for a wide range of spaces.
- Its compact design allows for seamless placement in tight or unconventional areas.
- For added convenience, the unit is compatible with the MRCOOL® NO-VAC® Quick Connect® line set (sold separately), which arrives pre-charged to eliminate the need for vacuuming or flaring—significantly simplifying installation and saving on labor.
MRCOOL Universal Series R-454B Air Handler UAH18048-O Specifications
| Brand | MRCOOL |
|---|---|
| Model | UAH18048-O |
| Tonnage | 4 |
| Auxiliary Heater Sizes | 8 KW / 10 KW / 15 KW / 20 KW |
| Voltage | 115/208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Refrigerant | R-454B |
| Noise Level (dBA) | N\A/53/49.5/33.5/N\A |
| Max Fuse/Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 14.5/10 |
| Warranty | 10 Year Parts |
| Parts Warranty | 10 Years |
| Net Weight (lbs) | 186.51 |



