Description
Description
Model: UAH18048-O
Universal Series 48,000 BTU Air Handler
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. The system also supports Universal® Series Heat Kits, offering increased heating capability during cold weather and providing peace of mind with emergency backup heat when needed. Inside, the air handler is equipped with an advanced M-shaped evaporator coil that maximizes surface area for heat exchange, enhances airflow, and improves overall system efficiency—all while keeping the unit lightweight. Built from 100% aluminum, the coil is corrosion-resistant, ensuring long-term durability with minimal maintenance. Operating at quiet sound levels similar to a household conversation or dishwasher, the Universal® 48K blends comfort with discretion. Backed by a 10-year parts warranty and a 2-year limited labor warranty, this air handler is a smart investment in your home’s comfort and efficiency.
Extra Information
| CFM | 1601/1442.1/1265.5/1088.9/N\A |
|---|---|
| Tonnage | 4 |
| Voltage (V) | 115/208/230 |
| Phase | 1 |
| Cycle (Hz) | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 14.5/10 |
| Refrigerant Type | R-454B |
| Decibel Rating (dBA) | N\A/53/49.5/33.5/N\A |
| Color | Dark Grey |
| Net Depth (in) | 21.5 |
| Net Height (in) | 55.94 |
| Net Width (in) | 21.5 |
| Net Weight | 186.51 |
| Gross Weight (lbs) | 232.14 |
| Base Warranty | 10 Year Parts |
Compatibility & Refrigerant
Verify match before ordering: Indoor and outdoor units must be designed for the same refrigerant generation. If replacing only one component, have an EPA-certified HVAC technician confirm compatibility before installation.
Important Notices
- Images are illustrative only; included accessories may vary by model.
- Availability, specifications, rebates, and pricing can change without notice.
Notices
- Image may not depict actual product color, inclusions, or accessories.
- Availability and substitutions are not guaranteed.
- Handling time: 3–5 business days.
Need Help Before Ordering?
Send us your model numbers (indoor + outdoor) and we’ll help verify compatibility before you purchase.
Frequently Asked Questions
Does UAH18048-O require a specific refrigerant type?
Yes. This model is designed for R-454B. Always match indoor/outdoor components to the same refrigerant generation before installation.
What electrical requirements does UAH18048-O use?
Check your jobsite power and breaker sizing before ordering. This model lists 115/208/230 / 1 Phase in the published specifications (verify local code requirements).
What capacity is UAH18048-O?
4 Ton. Use a proper load calculation to select the correct size for your space.
Which series does UAH18048-O belong to?
Universal R-454B. Confirm the system series when selecting matching components (indoor, outdoor, controls, accessories).
