The Rheem RP15AY48AJ2NA Endeavor Line Achiever Plus 4-Ton 2-Stage Heat Pump delivers reliable, efficient heating and cooling performance for residential split systems. Built for long-term compliance with evolving EPA refrigerant standards, this unit combines power, efficiency, and ease of service to support HVAC professionals and homeowners seeking top-tier comfort.
Key Features
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Capacity: 4 tons (48,000 BTU/h)
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Efficiency: 15.2 SEER2 / 11.7 EER2 / 7.8 HSPF2
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Compressor: 2-stage scroll for precise temperature and humidity control
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Refrigerant: R-454B (low GWP, environmentally friendly)
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Coil Design: 7 mm copper tubing for optimized heat transfer
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Sound Level: As low as 73 dB depending on installation
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Serviceability:
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PlusOne® Expanded Valve Space for easier access
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PlusOne® Triple Service Access (15-inch corner and removable louver panels)
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PlusOne® Refrigerant Detection System for low-GWP refrigerant monitoring
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Warranty: 10-year conditional parts warranty (registration required)
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Certification: ENERGY STAR qualified when properly matched and installed


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