Key specification for this water heater: 380V-60Hz, 22kw. Everything below is reproduced from the factory data sheet. Made by Nulite New Energy (guangzhou) Co., Ltd. (7 years on the platform, factory-assessed). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Water Heater
- Model Number: NL-G5B
- Power Source: Electric
- Voltage: 380V-60Hz
- Heating Capacity: 22kw
- Housing Material: Galvanized sheet
- Refrigerant: R410A
Technical Specifications
| Type | Air Source Heat Pump |
|---|---|
| Energy Efficiency Rating | Class A+++ |
| Application | Outdoor, Hotel, Commercial, Household |
| Refrigerant | R410A |
| Storage / Tankless | Instant / Tankless |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Galvanized sheet |
| Feature | Easy Installation, Easy Operation, Eco-Friendly, Energy-Saving, High Efficiency, Safe |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts |
| Operating Language | English |
| Private Mold | Yes |
| Place Of Origin | Guangdong, China |
| Brand | Nulite New Energy |
| Model Number | NL-G5B |
| Function | Hot water,heating |
| Compressor | Copeland |
| Working Ambient Temperature | Minus 10C- 43C |
| Heating Capacity | 22kw |
| Max Hot Water Temperature | 60℃ |
| Certification | CB, ce, EMC, RoHS |
| Sound Level | <64.5dB/(A) |
| Voltage | 380V-60Hz |
| Selling Units | Single item |
| Single Package Size | 143X74.5X121 cm |
| Single Gross Weight | 900.0 kg |
Product Details








Nulite Commercial Hot Water Heat Pump Water Heater




2. High/Low Pressure Protection
3. High Discharging Temperature Protection
4. Antifreezing Protection
5. Compressor Overload Protection


Main components:










✦ Fast shipping, support for a variety of payment/logistics methods
✦ Secure after-sales service : Trained engineers are on hand to provide technical support. Any question will be answered and assisted within 12 hours.
✦ Low Maintainess Cost, Long Service Life up to 15 Years+








A: Our company is located in Huadu District, Guangzhou City, Guangdong Province, China.
Q: Air to water heat pump is heating faster?
A:Air to water heat pump heating rate according to the water temperature and outdoor temperature. Summer inlet water temperature and outdoor temperature are high,so heating faster. In winter inlet water and outdoor temperature are lower so the heating is slow.
Q: How much the air to water heat pump power consumption?
A: Mainly influenced by outdoor temperature. When the outdoor temperature is lower, the heating time is longer,the power consumption is more,and vice versa.
Q: What are the benefits of heat pump?
A: There are five main benefits of dual system, safety, long lifespan, low maintenance and eco-friendly.
Q: Can it be used if it rains?
A: The air to water heat pump only influence of the outdoor temperature and inlet water temperature, not affected by rain.This is the most obvious advantages compared with the solar energy heater.


Ordering and Pricing
- Minimum order quantity: 1 unit
- Volume pricing:
- 1–19 unit: US $1500 / unit
- 20–49 unit: US $1450 / unit
- 50+ unit: US $1339 / unit
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this water heater?
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.
Which certifications does this water heater carry?
It is supplied with CB, ce, EMC, RoHS documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the water heater be supplied for my local voltage?
The standard configuration is 380V-60Hz. 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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