Gree Flexx 4 Ton Ultra R32 18 SEER2 Complete System | FXU48HP230V1R32AO + FXU48HP230V1R32AH
The Gree Flexx Ultra R32 4 Ton Complete System combines the FXU48HP230V1R32AO outdoor heat pump condenser with the FXU48HP230V1R32AH ducted air handler for a fully matched, high-efficiency comfort solution. Designed for modern homes and light commercial spaces, this system delivers 36,000 BTU of heating and cooling power, whisper-quiet operation, and eco-friendly R32 refrigerant technology.
High-Efficiency Comfort
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System capacity: 48,000 BTU/h cooling & heating
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Operating range: 34,000 – 50,000 BTU/h cooling
- Ultra Heat Technology: Provides 48,000BTU/h at 5°F dependable heating down to -22°F and cooling up to 129°F.
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Efficiency ratings: Up to 19.0 SEER2, 12.0 EER2, and 10 HSPF2 for year-round energy savings
Eco-Friendly R32 Refrigerant
The Flexx Ultra is one of the first central systems to embrace next-generation R32 refrigerant, which has a low Global Warming Potential (GWP) all while delivering higher efficiency when compared to R410A with a pure non-blended refrigerant.
Smart, Quiet, and Flexible
- Variable-speed DC blower motor in the air handler ensures smooth airflow, precise humidity control, and quiet comfort
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Operates with conventional 24 VAC thermostats (no proprietary controls required!)
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Sound levels as low as 62 dB(A) outdoors and 52 dB(A) indoors
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Compact, side-discharge design for tight spaces and aesthetic flexibility
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Supports dual-fuel (Gas + Electric Heat Pump) applications for maximum comfort and energy savings
Durable Construction
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Heavy-duty build with up to 98 ft. max line length and 49 ft. vertical rise flexibility with a precharge of up to 25ft of R-32 refrigerant
- Airflow: 1200 CFM with up to 1.0 in. external static pressure
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Optional 6,9 or 12kW electric heat kit available for supplemental heating
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Backed by a 5-year parts and 7-year compressor warranty for peace of mind. 10 year all parts warranty when installed or registered by a Gree Select Dealer Gree Select Dealer Details


Click On Below Link(s) For Documentation:
Technical Specifications
Outdoor Condenser Installation Manual
Indoor Air Handler Installation Manual
