This water heater is published with the manufacturer’s full specification — 220V/50Hz single phase, 3 kW. 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
- Power Source: Electric
- Voltage: 220V/50Hz single phase
- Heating Capacity: 3 kW
- Housing Material: Galvanized Sheet
- Refrigerant: R134a
- Warranty: 2 Years
Technical Specifications
| Type | Air Source Heat Pump |
|---|---|
| Heating Capacity | 3 kW |
| Energy Efficiency Rating | Class A |
| Application | Commercial, Household |
| Refrigerant | R134a |
| Storage / Tankless | Instant/tankless |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Galvanized Sheet |
| Feature | Easy Installation, Energy-Saving |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts |
| Operating Language | English |
| Private Mold | No |
| Packaging Types | carton |
| Place Of Origin | Guangdong, China |
| Brand | Nulite New Energy |
| Function | House Heating Hot Water |
| Compressor | Mitsubishj Rotary |
| Voltage | 220V/50Hz single phase |
| Color | Black&White |
| Max Hot Water Temperature | 75C |
| Working Ambient Temperature | -7C-45C |
| Sound Level | <48dB |
| Net / Gross Weight | 132KG /142KG |
| Package Size | 720*720*2135mm |
| Selling Units | Single item |
| Single Package Size | 71X68X184 cm |
| Single Gross Weight | 115.0 kg |
Product Details






LED touch screen control system
Smart control system
*Luxury LCD screen touch control, flexible water temp. adjustment, multiple running modes are available, enjoy comfortable hot
water.


Mitsubishl compressor
*International famous brand,high quality compressor.
*Reduce compression leakage and improve compression efficiency


Super polyurethane insulation
* Super dense fluorofree polyurethane insulation can keep the hot water in the same temperature for longer time.






Model | Unit | NL-FR1.0/EN150 | NL-FR1.0/EN200 | NL-FR1.0/EN300 | ||
Heating capacity | kw | 1.8 | 1.8 | 3.0 | ||
Water tank Volume | L | 150 | 200 | 300 | ||
Hot water production | L/h | 39 | 39 | 64 | ||
Power supply | V/Hz/Ph | 220~240V/50/1 | 220~240V/50/1 | 220~240V/50/1 | ||
Rated outlet water temp | ℃ | 55 | 55 | 55 | ||
Max outlet water temperature | ℃ | 75 | 75 | 75 | ||
Rated input power | W | 470 | 470 | 805 | ||
Current | A | 1.85 | 1.85 | 2.3 | ||
Auxiliary electric heating | W | 2000 | 2000 | 2000 | ||
E-heating current | A | 9.1 | 9.1 | 9.1 | ||
Refrigerant | / | R134a | R134a | R134a | ||
Compressor | / | Rotary | Rotary | Rotary | ||
Four-way valve | / | SHF-4 | SHF-4 | SHF-4 | ||
Motor | / | YDK25/32 | YDK25/32 | YDK25/32 | ||
Centrifugal fan | / | φ190 | φ190 | φ190 | ||
High pressure switch | Mpa | 3.0~2.4 | 3.0~2.4 | 3.0~2.4 | ||
low pressure switch | MPa | 0.05-0.15 | 0.05-0.15 | 0.05-0.15 | ||
Ambient temperature | ℃ | ﹣7~45 | ﹣7~45 | ﹣7~45 | ||
Waterproof protection level | / | IPX4 | IPX4 | IPX4 | ||
Product cabinet | / | Galvanized powder coated steel | ||||
Material of water tank | / | Enamel tank | ||||
Heat exchanger type | / | Extemal coil | ||||
Evaporator | / | Hydrophilic aluminum foil | ||||
Throttling device | / | Electrical expansion valve | ||||
Wire controller | / | Digital screen, touch buttons | ||||
Pipe diameter | inch | G1/2" | G1/2" | G3/4" | ||
Built-in pressure protection | MPa | 0.8MPa | 0.8MPa | 0.8MPa | ||
Product Dimensions | mm | φ570*1470 | φ570*1750 | φ640*2000 | ||
Packing Dimensions | mm | 710*680*1560 | 710*680*1842 | 720*720*2135 | ||
Net Weight | Kg | 85 | 112 | 142 | ||
Noise | dB(A) | ≤48 | ≤48 | ≤51 | ||
Erp Energy class level | / | / | 55℃ A++ | 55℃ A++ | ||






*Let the hot water take your day off.
*Max hot water output temperature reach 75C


NuLite New Energy (Guangzhou) Co.,Ltd.
Our current product classification includes R290/R32/R410A/R134A refrigerant -30C EVI DC Inverter Heat Pump, Spa Pool Heat Pump,Commercial Heating/Cooling/Hot Water Heat Pump, Geothermal Heat Pump, Fan Coil Unit and Water Tank. With five main modern manufacturing factories covering 200,000 square meters, which owns 12 automatic production lines and 15 high-standard certificated inspection laboratories. The annual production capacity is over 500,000 units and more than 100,000 units has been exported last year in 2022.
NuLite, owns more than 20 years experience of heat pumps manufacturing & exporting, with EU-erP, CE, CB, EMC, ISO9001 certificated. As a double five-star supplier verified by Alibaba, we offer full range of OEM & ODM heat pumps and related products, now we sincerely recruit distributors worldwide.
Nulite, Be Your Right!




Nulite New Energy Certificates






A: We are R&D and manufacturing factory. With 200,000 sq meters modern factory in Guangzhou City & Foshan City. with OEM/ODM service.
Q: How long is your Heat Pump delivery time?
A: Generally it is 1-5 working days if the goods are in stock. or it is 15-25 working days if the goods are not in stock, it is
according to quantity.
Q: Do you also provide other kind of heat pump?
*House heating/cooling/DHW heat pump
* Household/Commercial heat pump
* Pool heater heat pump
*FCU | Stainless Steel Water tank (Buffer&DHW)
Q: What is your terms of payment for heat pump ?
A: Payment<= 5000USD, 100% in advance. Payment>= 5000USD, 30% T/T in advance ,balance before shipment.
AIibaba trade assurance payment available. L/C Payment available only with 1 millon+ USD dealing amount.
For the most suitable Heating Cooling, Hot Water Solution!


We are professional,international and innovational heat pump manufacturer!


Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–19 set: US $699 / set
- 20–499 set: US $689 / set
- 500+ set: US $599 / set
- 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 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 heater be supplied for my local voltage?
The standard configuration is 220V/50Hz single phase. 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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