MRCOOL Universal DC Inverter 4 Ton 48,000 BTU R-454B Heat Pump Condenser 208/230V UHP18048-O
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The MRCOOL® Universal® Series 48K DC Inverter Heat Pump Condenser is built to deliver powerful, year-round comfort, even in the most demanding climate conditions. Whether you're facing extreme summer heat or bitter winter cold, this high-capacity unit maintains reliable airflow and consistent indoor temperatures. With an impressive 17.5 SEER2 efficiency rating, it’s designed to reduce energy consumption while maximizing performance.
This condenser is an ideal solution for larger homes or spaces requiring robust heating and cooling. Its compact, space-saving design allows for greater installation flexibility, especially in properties with limited outdoor clearance. The system is also compatible with MRCOOL®’s innovative NO-VAC® Quick Connect® line set (sold separately), which eliminates the need for vacuuming and flaring, simplifying installation and dramatically cutting labor time and costs.
At the core of the 48K condenser is advanced DC inverter technology. Unlike conventional systems that constantly start and stop, this unit automatically adjusts output to match real-time demand, improving energy efficiency, ensuring quieter operation, more consistent temperatures, and extended system life.
Backed by a 10-year parts warranty and a 2-year limited labor warranty, giving you added confidence and peace of mind.
Technical Specifications
| Cooling Capacity | 48000 BTU |
| Heating Capacity | 48000 BTU |
| Tonnage | 4 Ton |
| SEER2 | Up to 17.5 |
| EER2 | Up to 12 |
| HSPF2-4 | 9.5 |
| Voltage | 208/230 V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 40 A |
| Min Circuit Ampacity | 38 A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 134.04 oz |
| Sound Level | 65 dBA |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Max Lineset Length | 246 ft |
| Net Dimensions (D×H×W) | 16.34" × 38.39" × 38.58" |
| Net Weight | 201.5 lbs |
| Gross Dimensions (D×H×W) | 19.68" × 42.52" × 45.08" |
| Gross Weight | 232.59 lbs |
Certifications
- UL Listed
- CSA Listed
- ETL Listed
Warranty
- 10 Years Parts Warranty
- 2 Year Labor Warranty
Product Documentation
- MRCOOL Universal DC Inverter R-454B 48K Condenser Installation Manual (PDF)
- MRCOOL Universal DC Inverter R-454B 48K Condenser Warranty Document (PDF)
- MRCOOL Universal DC Inverter R-454B 48K Condenser Brochure (PDF)
- MRCOOL Universal DC Inverter R-454B 48K Condenser AHRI Certification (PDF)
- MRCOOL Universal DC Inverter R-454B 48K Condenser Energy Guide (PDF)
- MRCOOL Universal DC Inverter R-454B 48K Condenser Specification Sheet (PDF)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.