Water heater — power supply 220-240V/1ph/50~60Hz, capacity 100 L. The complete factory specification follows. Made by Guangdong Shunde O.S.B. Environmental Technology Co., Ltd. (11 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: ZR9W-300T
- Power Source: Electric, Solar
- Power Supply: 220-240V/1ph/50~60Hz
- Capacity: 100 L
- Heating Capacity: 3kw
- Warranty: 2 Years
Technical Specifications
| Capacity | 100 L |
|---|---|
| Energy Efficiency Rating | Class A |
| Application | Hotel, Outdoor, Household, Commercial |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts, Overseas Call Centers |
| App-Controlled | Yes |
| Power Source | Electric, Solar |
| Place Of Origin | Guangdong, China |
| Brand Name | OEM/OSB |
| Model Number | ZR9W-300T |
| Heating Capacity | 3kw |
| Water Tank Volume | 300L |
| Compressor | Rotary |
| Power Supply | 220-240V/1ph/50~60Hz |
| Function | Hot Water |
| Max Outlet Water Temp | 55 |
| Controller | digital |
| Type | Air Source Heat Pump |
| Use | Bathroom |
| Air Volume | 700 |
| Selling Units | Single item |
| Single Package Size | 120X49X140 cm |
| Single Gross Weight | 147.000 kg |
Product Details






* Malfunction alarm light optional.
* LCD digital controller, with weekly auto 65 deg c high temperature antisepsis.
* Pickling and passivation treatment optional.
* Max hot water temp up to 60 deg c.
* E-heater as back up for water heating
| Model | ZR9W-300T | |
| Heating capacity | kw | 3.0 |
| Water tank volume | L | 300 |
| COP | 3.3 | |
| Heating power input | kw | 0.9 |
| Power supply | V/Ph/Hz | 60 |
| Max outlet water temp | ℃ | 60 |
| Applicable ambinet temp | ℃ | -7~43 |
| Rated running current | A | 3.7 |
| Noise | dB(A) | 49 |
| Gross weight | kg | 102 |














The heat pump products we have been manufacturing and supplying to Europe, South Africa and Asia are well accepted by the market and we have achieved more success by passing EN 14511, EN16147, EN14825 etc energy efficiency test , as well as our self developed IOT wifi control function that applicable in almost all of our air to water heat pump products.
We compete, we innovate, we welcome you to john us and be partner with us to make the best products!










Ordering and Pricing
- Minimum order quantity: 2 piece
- Volume pricing:
- 2–9 piece: US $735 / piece
- 10+ piece: US $725 / piece
- 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 2 piece. 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 220-240V/1ph/50~60Hz. 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 Guangdong Shunde O.S.B. Environmental Technology Co., Ltd., based in China. The company 11 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Guangdong Shunde O.S.B. Environmental Technology Co., Ltd. range on HVACR Nexus.
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