The water source heat pump listed here carries 220V/380V inverter ~1Phase/3Phase, 20kw, documented exactly as the manufacturer publishes it. Made by Nulite New Energy (guangzhou) Co., Ltd. (7 years on the platform, factory-assessed). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Water Source Heat Pump
- Model Number: NL-G6SII/R32
- Power Source: Electric
- Voltage: 220V/380V inverter ~1Phase/3Phase
- Heating Capacity: 20kw
- Housing Material: Galvanized Sheet
- Refrigerant: R32
Technical Specifications
| Type | Water Source Heat Pump |
|---|---|
| Heating Capacity | 20kw |
| Energy Efficiency Rating | Class A |
| Application | Hotel, Commercial, Household |
| Refrigerant | R32 |
| Storage / Tankless | Instant Heating |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Galvanized Sheet |
| Feature | Easy Installation, Easy Operation, Safe |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts |
| Operating Language | English, German, French, Spanish |
| Packaging Types | wooden |
| Place Of Origin | Guangdong, China |
| Brand | NuLite |
| Model Number | NL-G6SII/R32 |
| Function | Floor Heating/Cooling/Hot Water |
| Voltage | 220V/380V inverter ~1Phase/3Phase |
| Compressor | *Copeland* Scroll Compressor R410A |
| Net / Gross Weight | 110KG /120KG |
| Max Hot Water Temperature | 55~60C |
| Sound Level | <54dB |
| Color | White/blue |
| Package Size | 1190*520*865mm |
| Working Ambient Temperature | -25C to 40C |
| Selling Units | Single item |
| Single Package Size | 74X65X95 cm |
| Single Gross Weight | 500.0 kg |
Product Details














Advantages of Water Source Heat Pumps
Energy Savings: By leveraging the relatively constant temperature of water sources, WSHPs consume less energy to achieve thedesired indoor temperature. This can result in significant cost savings on energy bills over time.
Versatility: These systems can be used for both residential and commercial buildings. They are suitable for various applications,including space heating, cooling, and even hot water production.
Longevity and Reliability: Water source heat pumps typically have a longer lifespan compared to air source heat pumps. The components are less exposed to outdoor weather conditions, reducing wear and tear and maintenance costs.
Quiet Operation: WSHPs operate more quietly than many traditional heating and cooling systems, enhancing indoor comfort without the disturbance of loud HVAC equipment.
Space Saving: These systems require less outdoor space since the heat exchange happens with a water source. This can be particularly advantageous in urban areas where outdoor space is limited.
Inverter type ground/water source heat pump
Item | NE | G/3S | G/5S | G/6S | G/10S | |||||
Rated heating capicity (KW) | KW | 2.52~14 | 5.3~22 | 6~25 | 11~45 | |||||
Heating Rated input power/current | KW/A | 1.2~2.8/8.7 | 2.5~5.3/16.1 | 4.8~6/20 | 8~11/25 | |||||
Max input power/current | KW/A | 3/26 | 5.8/35 | 6.5/38 | 11 | |||||
Voltage (V) | V/Hz | 220V/1ph/25-80hZ | 380V/3Ph/25-80 | |||||||
Rated output water temperature | °C | 55 | ||||||||
Rated water flow | m³/h | 3 | 5 | 6 | 15 | |||||
COP | 4.6 | |||||||||
Refrigeration | R410A | |||||||||
Rated of waterproof | IPX4 | |||||||||
Control mode | Original Import Italy Carel Control , Wifi support | |||||||||
Compressor | Type | Rotery type | ||||||||
Quantity | 1 | 1 | 1 | 2 | ||||||
Brand | Mitsubishi | |||||||||
Outdoor unit | Evaperator | Finned heat exchange | ||||||||
Condensor | Tube in Tube heat exchanger | |||||||||
Net size | mm | 1120*490*710mm | 1120*490*1270 | 1120*490*1270 | 1500*800*1560 | |||||
Packing size | mm | 1190*520*865mm | 1200*520*1425 | 1200*520*1425 | 1550*850*1620 | |||||
Net Weight | 110 | 160 | 190 | 310 | ||||||
Gross Weight | Kg | 120 | 175 | 220 | 330 | |||||
Nosie level | dB(A) | ≤54 | 60 | |||||||
Fan | Type | internal rotor motor,plastic leaves | ||||||||
Fan power | W | 90 | 90 | 90 | 180 | |||||
Ambient temperature | °C | (-25℃ — 40℃) | ||||||||
Inlet pipe diameter | DN25 | DN32 | DN50 | |||||||
Outlet pipe diameter | DN25 | DN32 | DN50 | |||||||
Loading Qty in a 20' container | sets | 44 | 22 | 22 | ||||||
























1. We are a professional heat pump manufacturer with 23 years of experience, leading the industry with advanced technology. 2. OEM services are available to meet your specific requirements. 3. We have experienced R&D engineers and strong capabilities in OEM projects. 4. We have well-trained and professional sales and after-sales services. 5. For all inquiries about our company or products, we will reply to you within 24 hours. 6. Our advantages are quick delivery, competitive price, high quality, and long-term service for our customers. 7. We have long-term cooperation with shipping companies, which enables faster and more efficient delivery, ensuring goods are delivered safely to the designated location. |
















Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–19 set: US $1899 / set
- 20–99 set: US $1799 / set
- 100+ set: US $1599 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this water source heat pump?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the water source heat pump be supplied for my local voltage?
The standard configuration is 220V/380V inverter ~1Phase/3Phase. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Nulite New Energy (guangzhou) Co., Ltd., based in China. The company 7 years as a verified Alibaba.com supplier, Trading Company, passed third-party supplier assessment. Browse the full Nulite New Energy (guangzhou) Co., Ltd. range on HVACR Nexus.
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