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APOLLO Geothermal Heat Pump - 48k BTU / 4 Ton - Water to Water Heat Pump
APOLLO Geothermal Heat Pump - 48k BTU / 4 Ton - Water to Water Heat Pump is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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APOLLO Geothermal Heat Pump - 48k BTU / 4 Ton - Water to Water Heat Pump is backordered and will ship as soon as it is back in stock.
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Description
Description
APOLLO Geothermal Heat Pump - 48k BTU / 4 Ton - Water to Water Heat Pump
The APOLLO 48K BTU 4 Ton Water-to-Water Heat Pump is a high-capacity geothermal system designed to deliver efficient heating, cooling, domestic hot water, and pool heating within a single integrated unit. Engineered for hydronic applications, it supports systems such as radiant floor heating, fan coil units, and central air handlers, making it suitable for residential and light commercial use.
Built with a DC twin rotary compressor, this heat pump provides reliable performance with quiet operation while maintaining consistent temperature control. Its water-to-water design allows efficient heat exchange and stable operation across a variety of hydronic configurations, helping optimize energy use throughout the year.
The unit is designed to perform in a wide range of climate conditions, supporting dependable operation in both heating and cooling modes. Its construction and connection layout are optimized for seamless integration into hydronic systems, ensuring smooth and efficient heat transfer.
With integrated smart controls and multi-application capability, the APOLLO 48K BTU 4 Ton Water-to-Water Heat Pump offers a versatile and energy-efficient solution for comprehensive climate control and hot water needs.
Simply the best boiler replacement solution on the market. Designed in the USA.
Features

-
Cools Efficiently
Indoor Heat Exchanger water inlet/outlet: 54°F/45°F
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Heats Efficiently
Indoor Heat Exchanger water inlet/outlet: 131°F/122°F
-
Energy Savings
COP reaching as high as 5.81 for a SCOP, with an annual COP of 4.2
-
Sound Level
52 dB(A)
-
Compatibility
IWater Inlet/Outlet Pipe Diameter: 1-1/4 inch
-
Compressor Technology
DC Compressor Type: Twin Rotary
Additional Features:
- Capacity Recommended: 2500 ft²
- Use with Radiant Floor, Fan Coil Unit, Central Air Handler AHU
- All-in-One Solution for Heating, Cooling, DHW & Pool
- Wi-Fi Controller Included
- Operate at extreme Cold or Hot Weather Climate
Specifications
Size: 4 TON
| Model | 4T | 6T |
| A | 29 ½" | 29 ½" |
| B | 29 ½" | 29 ½" |
| C | 25 ½" | 32 ⅔" |
| D | Ground side water inlet(1") | Ground side water inlet(1") |
| E | Ground side water outlet(1") | Ground side water outlet(1") |
| F | Indoor side water outlet(1") | Indoor side water outlet(1") |
| G | Indoor side water inlet(1") | Indoor side water inlet(1") |

| MODEL | AP Geothermal 4T | AP Geothermal 6T | |
|---|---|---|---|
| Power Supply | V/PH/Hz | 220/1/60 | 220/1/60 |
| Coverage Area | ft² | 2500 | 4000 |
| Heating: Indoor heat exchanger water inlet/outlet: 104°F/113°F, Outdoor heat exchanger water inlet/outlet:50°F/45°F. | |||
| Heating capacity (water) 104°F/113°F - 50°F/41°F |
KW - BTU/h | 14 - 47768 | 28 - 95536 |
| Input Power | KW | 3.18 | 6.36 |
| Input Current | A | 14.5 | 28.9 |
| COP | W/W | 4.4 | 4.4 |
| Heating: Indoor heat exchanger water inlet/outlet: 104°F/113°F, Outdoor heat exchanger brine inlet/outlet: 32°F/27°F. | |||
|---|---|---|---|
| Heating capacity (brine) 104°F/113°F; 32°F/23°F |
KW - BTU/h | 12 - 40944 | 23.8 - 81206 |
| Input Power | KW | 3.43 | 6.80 |
| Input Current | A | 15.6 | 30.9 |
| COP | W/W | 3.5 | 3.5 |
| Heating: Indoor heat exchanger water inlet/outlet: 86°F/95°F, Outdoor heat exchanger water inlet/outlet:50°F/45°F. | |||
|---|---|---|---|
| Heating capacity (water) 86°F/95°F - 50°F/41°F |
KW - BTU/h | 14 - 47768 | 28 - 95536 |
| Input Power | KW | 2.41 | 4.82 |
| Input Current | A | 11 | 21.9 |
| COP | W/W | 5.81 | 5.81 |
| Heating: Indoor heat exchanger water inlet/outlet: 86°F/95°F, Outdoor heat exchanger brine inlet/outlet: 32°F/27°F. | |||
|---|---|---|---|
| Heating capacity (brine) 86°F/95°F - 32°F/23°F |
KW - BTU/h | 12 - 40944 | 23.8 - 81206 |
| Input Power | KW | 2.78 | 5.52 |
| Input Current | A | 12.7 | 25.1 |
| COP | W/W | 4.31 | 4.31 |
| Heating: Indoor heat exchanger water inlet/outlet: 122°F/131°F, Outdoor heat exchanger water inlet/outlet: 50°F/45°F. | |||
|---|---|---|---|
| Heating capacity (water) 122°F/131°F - 50°F/41°F |
KW - BTU/h | 11.2 - 38214 | 22.5 - 76770 |
| Input Power | KW | 3.18 | 6.39 |
| Input Current | A | 14.5 | 29.1 |
| COP | W/W | 3.52 | 3.52 |
| Heating: Indoor heat exchanger water inlet/outlet: 122°F/131°F, Outdoor heat exchanger brine inlet/outlet: 32°F/27°F. | |||
|---|---|---|---|
| Heating capacity (brine) 122°F/131°F - 32°F/23°F |
KW - BTU/h | 9.5 - 32414 | 19.2 - 65510 |
| Input Power | KW | 2.96 | 5.98 |
| Input Current | A | 13.5 | 27.2 |
| COP | W/W | 3.21 | 3.21 |
| Cooling: Indoor heat exchanger water inlet/outlet: 54°F/45°F, Outdoor heat exchanger brine inlet/outlet: 86°F/95°F. | |||
|---|---|---|---|
| Cooling capacity (water) 54°F/45°F - 86°F/95°F |
KW - BTU/h | 12 - 40944 | 24 - 81888 |
| Input Power | KW | 2.86 | 5.71 |
| Input Current | A | 13 | 26 |
| COP | W/W | 4.2 | 4.2 |
| DC Compressor type | Twin Rotary | Twin Rotary | |
| Compressor quantity | 1 | 1 | |
| Sound level | dB(A) | 48 | 52 |
| Water inlet/outlet | inch | 1" | 1 - ¼" |
| Water flow range | GPM | 9GPM ~ 11GPM | 14GPM ~ 22GPM |
| Refrigerant type | R32 | R32 | |
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