Rheem Endeavor 4 Ton 19 SEER2 R-454B Variable Speed Heat Pump System
Rheem Endeavor 4 Ton 19 SEER2 R-454B Variable Speed Heat Pump System
Model: RP19AY48AJVCA - RHMVY4821SEACAJ
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The UA/RA and UP/RP 3+ Stage series of products are highly specialized HVAC systems that must be installed by certified Rheem/Ruud Trained Contractors only. If anyone other than a certified Rheem/Ruud Trained Contractor installs this unit or system, all warranty coverage will be voided. Please be sure to consult with your Contractor to ensure they qualify.
The Rheem Endeavor RP19AY Heat Pump Condenser can deliver year-round, money-saving indoor comfort to your home. This 5 Ton, 19 SEER2 unit is a premium dual-fuel capable heating and cooling solution that utilizes advanced variable speed technology. By continuously modulating its performance, the RP19AY provides unmatched temperature precision and superior humidity control, ensuring your home stays perfectly comfortable in both the heat of summer and the chill of winter. Choose the Rheem Endeavor RP19AY for an ultra-high-efficiency heat pump that maximizes energy savings and environmental sustainability.
Standard Features:
- Variable Speed Compressor: Modulates capacity from 25% to 100% to match your home’s exact heating and cooling loads for peak efficiency
- PlusOne® Diagnostics: Industry-exclusive 7-segment LED display makes system setup and troubleshooting fast and accurate
- EcoNet® Enabled: Designed for seamless communication with the EcoNet Smart Thermostat to automatically optimize performance and comfort
- PlusOne® Expanded Valve Space: 3"-4"-5" service valve space provides plenty of room for easy brazing and service access
- PlusOne® Triple Service Access: Features a 15-inch wide corner service access and two-fastener removable corner post for industry-leading serviceability
- Ultra-Quiet Operation: Variable speed technology and a specialized swept-wing fan blade design significantly reduce outdoor noise levels
- Year-Round Efficiency: High SEER2 and HSPF2 ratings ensure low utility bills during both the cooling and heating seasons
- Eco-Friendly Standards: Engineered for compatibility with the latest low-GWP refrigerants to meet modern environmental regulations
Cabinet Features:
- Curved Louver Panels: Provides maximum coil protection against debris and weather while maintaining a modern, high-end look
- One-Piece Drawn Base Pan: A robust, rust-resistant base that elevates the unit to allow for better drainage and reduced vibration
- Premium Powder-Coat Finish: The heavy-gauge steel cabinet is treated with a finish that exceeds a 1000-hour salt spray rating for long-term durability
- Easy-Clean Design: Removable louvered panels allow homeowners and technicians to easily clean the outdoor coil to maintain peak system efficiency
The Rheem / Ruud RHMV Air Handler with a Constant CFM Motor operate with the easy-to-use EcoNet Smart Thermostat, which optimizes system performance and provides a new level of protection and precision comfort
Standard Features:
- Constant CFM Motor: Truly variable speed technology allows for ultimate humidity control, quieter sound levels and contributes to year-round energy savings
- Quietest Operation: Provided by Modulating operation and truly variable speed airflow technology and sturdy cabinet construction with 1.0 inch of foil faced insulation for some of the quietest sound characteristics
- PlusOne Diagnostics: With the Ruud Contractor & EcoNet Apps, built-in EcoNet & Bluetooth technology makes monitoring, troubleshooting and repairing the product easier than ever before
- Dip Switch Free Installation Commissioning via Bluetooth Technology: Seamless final install step without DIP switch configuration using the Ruud Contractor App.
- EcoNet Enabled Air Handler: The latest in sensor technology and the EcoNet monitoring system provides a new level of protection, control and energy savings. Allows on-the-go control and receipt of system alerts by the homeowner via the EcoNet Smart Thermostat and EcoNet App
- Aluminum Indoor Coil Design: Are constructed of aluminum fins bonded to internally grooved aluminum tubing and are more corrosion resistant
- Versatile 4-y Convertible Compact Design: Allows for upflow, downflow, horizontal left and horizontal right applications, even in the smallest of spaces
- Rugged Steel, Compact Cabinet Construction: Designed for added strength and versatility
- Field-installed Auxiliary Heater Kits: Provide exact heat for indoor comfort and include circuit breakers which meet UL and cUL requirements for service disconnect
- Less than 2% Cabinet Air Leakage at 1-inch H2O: When tested in accordance with AHRAE Standard 193
- Designing for Sustainability with Low GWP: For 2025, the Environmental Protection Agency (EPA) has set a global warming potential (GWP) limit of 700 for refrigerant used in heating and cooling systems. This new requirement will result a 78%2 lower GWP than previous-generation refrigerants — with only minimal changes to system installation. For us, this is another step toward our continued sustainability goal of educing greenhouse gas emissions, while still delivering an exceptional level of energy efficient, dependable comfort
- PlusOne Refrigerant Detection System™3: An integrated one-box, patented design featuring the A2L sensor and mitigation board, offering easier commissioning with a single component and simplified wiring configuration, compatibility with any 24V thermostat application and system protection by automatically pausing outdoor unit operation – if excess refrigerant is detected.
| Model Number (s) | RP19AY48AJVCA - RHMVY4821SEACANJ |
| Brand | Rheem / Ruud |
| Type | Heat Pump |
| Ton | 4.0 Ton |
| SEER | 19 |
| Cooling Btu | 45,500 |
| Cooling Stage(s) | Inverter |
| Compressor Stage | Inverter |
| Electrical Phase(s) | 1-Phase |
| Decibel Level (dB) | 73 |
| Refrigerant Type | R-454B |
| Suction Valve Size (Inches) | 7/8 |
| Liquid Valve Size (Inches) | 3/8 |
| Outdoor Unit Height (Inches) | 51 1/4 |
| Outdoor Unit Width (Inches) | 36 1/4 |
| Outdoor Unit Depth (Inches) | 36 1/4 |
| Parts Warranty (Years) | 10 |
| Compressor Warranty (Years) | 10 |
| AHRI Certificate # | 215576396 |
| UPC # | 633190259233 |
| Heating Btu | 45,500 |
| Blower | Variable Speed |
| Heating Stage(s) | Inverter |
| Indoor Unit Depth (Inches) | 21 11/16 |
| Indoor Unit Width (Inches) | 21 |
| Indoor Unit Height (Inches) | 57 |
| HSPF | 8.5 |
| Outdoor Unit Width (Inches) | 36 1/4 |
| Outdoor Unit Depth (Inches) | 36 1/4 |
| Parts Warranty (Years) | 10 |
| Compressor Warranty (Years) | 10 |
| AHRI Certificate # | 215576396 |
| UPC # | 633190259233 |
| Heating Btu | 45,500 |
| Blower | Variable Speed |
| Heating Stage(s) | Inverter |
| Indoor Unit Depth (Inches) | 21 11/16 |
| Indoor Unit Width (Inches) | 21 |
| Indoor Unit Height (Inches) | 57 |
| HSPF | 8.5 |


