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Air to water Heat Pump, 70% energy savings ,Wide range of use
With full inverter technology, soft start and fast heating can be realized. And water temperature will be more constant, making you enjoy the warmth and comfort of home all the time.
The unit can operate normally within the temperature range of -15C~48C;
Strong adaptability, personalized customization;


instant hot water without waiting,Clean air energy, Separation of water and electricity
ZhenXin dedicates to creating super quiet running environment for the user. adopts multiple noise reduction technologies, every product has been repeatedly tested and optimized.
Separation of water and electricity, no leakage explosion risk of electric shock;
24 hours constant temperature circulation supply;
Circulation pump works regularly, instant hot water without waiting;
Clean air energy, low carbon and environmentally friendly;





| Product Parameters | |
| Product Model | KFXRS-18II |
| Power supply | 380V/3N~/50Hz |
| Rated heating capacity (KW) | 18.8 |
| Rated power consumption (KW) | 4.27 |
| COP(W/W) | 4.4 |
| Water production (L/h) | 400 |
| Refrigerant | R22 |
| Maximum working current (A) | 12 |
| Maximum water discharge temperature (℃) | 60 |
| Circulating water flow (m³/h) | 3.5 |
| Working environment (℃) | -15~48 |
| Circulating water pipe diameter | DN25 |
| Unit weight (kg) | 145 |
| Unit size (mm) | 900*730*1200 |
| Protection class | IPX4 |
| Category of protection against electric shock | CLASS I |
The heating capacity of the 18KW R410a Air to Water Heat Pump is 18.8 KW.
This heat pump can operate normally within a temperature range of -15°C to 48°C.
The heat pump achieves energy savings of up to 70% through its full inverter technology, which allows for efficient operation and reduced power consumption.
No, this heat pump provides instant hot water without waiting, thanks to its 24-hour constant temperature circulation supply.
The maximum water discharge temperature of the unit is 60°C.
The heat pump uses R22 refrigerant.
The power supply requirement for this heat pump is 380V/3N~/50Hz.
The unit can produce up to 400 liters of hot water per hour.
The unit weighs 145 kg and has dimensions of 900 mm x 730 mm x 1200 mm.
The heat pump adopts multiple noise reduction technologies to create a super quiet running environment for the user.
The protection class of this heat pump is IPX4.
The circulating water flow rate of the unit is 3.5 m³/h.
No, the design includes a separation of water and electricity, minimizing the risk of leakage and electric shock.
Yes, the unit offers strong adaptability and personalized customization options to meet various user needs.
This heat pump has a CLASS I protection against electric shock.
No approved technical specifications are available yet. Please refer to the product description or contact our team.
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