MRCOOL Signature Series 1.5 Ton 18K BTU 14.3 SEER2 R-454B AC Condenser 208/230V MCAESAS4T1821AA
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The MRCOOL® Signature Series 18k Cooling Only Condenser is a reliable and efficient solution for homeowners seeking powerful cooling with long-term savings in mind. With a 14.3 SEER2 and 11.7 EER2 rating, this unit delivers steady performance while helping reduce energy costs.
Pre-charged with eco-friendly R-454B refrigerant, this unit meets updated environmental standards without sacrificing performance. The refrigerant is factory-filled to simplify setup, saving time and reducing installation costs. Built for durability, the condenser features a dependable scroll compressor and high-efficiency inner-groove copper tubing.
Operating at just 60 decibels, the unit is quiet enough for residential spaces, thanks to a sound-dampening top. A wire fan discharge grille and steel louver coil guard add an extra layer of protection to internal components.
Installation and maintenance are straightforward, with sweat connection service valves and an easy-access gauge port. The compact design allows for flexible placement in a variety of locations.
For added peace of mind and long-term confidence in your investment, MRCOOL® provides a comprehensive 10-year limited parts warranty and a limited lifetime compressor warranty. This industry-backed warranty reflects MRCOOL®’s commitment to quality, durability, and customer satisfaction.
With dependable cooling, quiet operation, and long-term reliability, the MRCOOL® Signature Series 18k Cooling Only Condenser is built for lasting comfort.
Technical Specifications
| SKU | MCAESAS4T1821AA |
| Cooling Capacity | 17,000 BTU |
| Tonnage | 1.5 Ton |
| SEER2 | 14.3 |
| EER2 | 11.7 |
| Voltage | 208/230V |
| Phase | 1 |
| Frequency | 60 Hz |
| Max Fuse/Breaker | 20 A |
| Min Circuit Ampacity | 12.2 A |
| Refrigerant Type | R-454B |
| Refrigerant Volume | 74 oz |
| Sound Level | 60 dBA |
| Min Ambient Temp (Cooling) | 59°F |
| Liquid Line Size | 3/8" |
| Suction Line Size | 3/4" |
| Max Lineset Length | 100 ft |
| Net Dimensions (D×H×W) | 23.6" × 25" × 23.6" |
| Net Weight | 132 lbs |
| Gross Dimensions (D×H×W) | 24.8" × 26.2" × 24.8" |
| Gross Weight | 139 lbs |
Certifications
- UL Listed
- ETL Listed
- AHRI Certified
Warranty
- 10 Year Parts Warranty
- Limited Lifetime Compressor Warranty
Product Documentation
- MRCOOL Signature Series AC Condenser 1.5T Installation Manual (PDF)
- MRCOOL Signature Series AC Condenser 1.5T Warranty Document (PDF)
- MRCOOL Signature Series AC Condenser 1.5T Brochure (PDF)
- MRCOOL Signature Series AC Condenser 1.5T AHRI Certification (PDF)
- MRCOOL Signature Series AC Condenser 1.5T Energy Guide (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.