The water source heat pump listed here carries 220V~50HZ,1 phase;380V~50hz,3phase, 10kw-36kw(13.41hp-48.28hp), documented exactly as the manufacturer publishes it. 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
- Power Source: Electric
- Voltage: 220V~50HZ,1 phase;380V~50hz,3phase
- Heating Capacity: 10kw-36kw(13.41hp-48.28hp)
- Housing Material: Galvanized sheet
- Refrigerant: R32/R290
- Warranty: 2 Years
Technical Specifications
| Type | Water Source Heat Pump |
|---|---|
| Heating Capacity | 10kw-36kw(13.41hp-48.28hp) |
| Energy Efficiency Rating | Class A+++ |
| Application | Outdoor, Hotel, Commercial, Household |
| Refrigerant | R32/R290 |
| Storage / Tankless | Instant / Tankless |
| Compressor | Scroll Compressor |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Galvanized sheet |
| Feature | Energy-Saving |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts |
| Operating Language | English, German, French, Dutch, Spanish |
| Private Mold | Yes |
| Packaging Types | plywood box |
| Place Of Origin | Guangdong, China |
| Brand | Nulite New Energy |
| Function | Floor Heating/Cooling/Hot Water |
| Voltage | 220V~50HZ,1 phase;380V~50hz,3phase |
| Working Ambient Temperature | Minus 30℃- 46℃ |
| Heat Source | Ground Souce/ Water source |
| Max Hot Water Temperature | 55 ℃/ 75℃ |
| Aplicacion | Hotel, Commercial, Household |
| Sound Level | <60dB |
| COP | 4.32 |
| Selling Units | Single item |
| Single Package Size | 86X84X130 cm |
| Single Gross Weight | 500.0 kg |
Product Details


Next-generation refrigerant technology for superior efficiency and reduced environmental impact.
* All-in-One Hydronic Solution
Single system delivers space heating, cooling, and domestic hot water with seamless switching.
* Smart Connectivity Suite
Built-in Wi-Fi, RS485, and control signals (3-way valve/link switch) for full integration with smart homes and BMS.
* Professional Flexibility
Modular signal connections enable customized system designs for residential and commercial applications.


Model | NL-G2SII/R32 | NL-G3SII/R32 | NL-G5SII/R32 | NL-G6SII/R32 | NL-G8SII/R32 | NL-G10SII/R32 | ||||||||
Heating Capacity Range | kW | 2-11 | 4-13 | 6-18 | 10-23 | 13-28 | 16-36 | |||||||
Heating (W10/7℃,W30/35℃) | Heating Capacity | kW | 10.6 | 12.5 | 17.6 | 22.7 | 27.8 | 35.3 | ||||||
Power Input | kW | 1.85 | 2.13 | 2.89 | 3.77 | 4.69 | 5.85 | |||||||
COP | W/W | 5.72 | 5.86 | 6.08 | 6.02 | 5.93 | 6.03 | |||||||
Heating (W0/-3℃,W30/35℃) | Heating Capacity | kW | 7.74 | 9.15 | 12.67 | 16.21 | 20.15 | 25.56 | ||||||
Power Input | kW | 1.69 | 1.91 | 2.67 | 3.47 | 4.34 | 5.44 | |||||||
COP | W/W | 4.57 | 4.8 | 4.75 | 4.67 | 4.64 | 4.70 | |||||||
Heating (W10/7℃,W40/45℃) | Heating Capacity | kW | 9.04 | 10.8 | 15.2 | 19.45 | 23.9 | 30.1 | ||||||
Power Input | kW | 1.80 | 2.30 | 2.84 | 3.75 | 4.59 | 5.87 | |||||||
COP | W/W | 5.02 | 4.69 | 5.35 | 5.19 | 5.21 | 5.13 | |||||||
Cooling (W30/35℃,W23/18℃) | Cooling Capacity | kW | 10.5 | 12.4 | 16.8 | 21.5 | 26.65 | 33.52 | ||||||
Power Input | kW | 1.82 | 2.34 | 2.83 | 3.72 | 4.65 | 5.94 | |||||||
EER | W/W | 5.76 | 5.54 | 5.93 | 5.78 | 5.73 | 5.64 | |||||||
Rated water flow | (User side) | m3/h | 1.70 | 2.0 | 2.8 | 3.6 | 4.5 | 5.6 | ||||||
Rated water flow | (Source side) | m3/h | 3.0 | 3.6 | 4.82 | 6.2 | 7.6 | 9.6 | ||||||
Rated voltage | V | 230 | 230 | 230(400) | 230(400) | 400 | 400 | |||||||
Compressor | / | Mitsubishi | ||||||||||||
4-way valve | / | Saginomiya | ||||||||||||
Electronic expansion valve | / | Saginomiya | ||||||||||||
Net Dimensions ( L/W/H ) | mm | 670×454×830 | 800x572x1070 | |||||||||||
Packaging Dimensions ( L/W/H ) | mm | 726×481×945 | 856x598x1184 | |||||||||||
Model | NL-G2S/R290 | NL-G3S/R290 | NL-G5S/R290 | NL-G6S/R290 | ||||||
Heating Capacity Range | kW | 2-11 | 4-13 | 6-18 | 10-23 | |||||
Heating (W10/7℃,W30/35℃) | Heating Capacity | kW | 10.6 | 12.5 | 17.6 | 22.7 | ||||
Power Input | kW | 1.85 | 2.13 | 2.89 | 3.77 | |||||
COP | W/W | 5.72 | 5.86 | 6.08 | 6.02 | |||||
Heating (W10/7℃,W40/45℃) | Heating Capacity | kW | 9.04 | 10.8 | 15.2 | 19.45 | ||||
Power Input | kW | 1.80 | 2.30 | 2.84 | 3.75 | |||||
COP | W/W | 5.02 | 4.69 | 5.35 | 5.19 | |||||
Heating (W0/-3℃,W30/35℃) | Heating Capacity | kW | 7.74 | 9.15 | 12.67 | 16.21 | ||||
Power Input | kW | 1.69 | 1.91 | 2.67 | 3.47 | |||||
COP | W/W | 4.57 | 4.8 | 4.75 | 4.67 | |||||
Cooling (W30/35℃,W23/18℃) | Cooling Capacity | kW | 10.5 | 12.4 | 16.8 | 21.5 | ||||
Power Input | kW | 1.82 | 2.34 | 2.83 | 3.72 | |||||
EER | W/W | 5.76 | 5.54 | 5.93 | 5.78 | |||||
Rated water flow | (User side) | m3/h | 1.70 | 2.0 | 2.8 | 3.6 | ||||
Rated water flow | (Source side) | m3/h | 3.0 | 3.6 | 4.82 | 6.2 | ||||
Rated voltage | V | 230 | 230 | 230(400) | 230(400) | |||||
Compressor | / | Panasonic R290 | ||||||||
4-way valve & EEV | / | Saginomiya | ||||||||
Heat exchanger type | / | Plate heat exchanger | ||||||||
Net Dimensions ( L/W/H ) | mm | 670×454×830 | 670×454×830 | 670×454×830 | 800x572x1070 | |||||
Packaging Dimensions ( L/W/H ) | mm | 726×481×945 | 726×481×945 | 726×481×945 | 856x598x1184 | |||||
Selectable Modes | / | Single heating / Single cooling / Single DHW / Heating+DHW / Cooling+DHW | ||||||||


R32/R290 DC inverter technology delivers exceptional COP ratings, significantly reducing operating costs.
* Year-Round Comfort
Provides powerful, quiet, and reliable heating AND cooling from a single, integrated system.
* Unmatched Core Reliability
Features top-tier Mitsubishi or Panasonic compressors, ensuring longevity and stable performance under extreme conditions.
* Smart Connected Control
Integrated Wi-Fi allows for effortless remote monitoring, management, and optimization from anywhere.
Nulite: Where Superior Performance Meets Intelligent Design.






































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 unit
- Volume pricing:
- 1–19 unit: US $1299 / unit
- 20+ unit: US $1199 / unit
- 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 unit. 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~50HZ,1 phase;380V~50hz,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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