Key specification for this water heater: power source Electric, Solar, material Stainless-steel SUS304, 316L,duplex. Everything below is reproduced from the factory data sheet. Made by Guangzhou Sst Heating Energy 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: 2025
- Power Source: Electric, Solar
- Housing Material: Galvanized steel with painting
- Material: Stainless-steel SUS304, 316L,duplex
- Coil Material: copper/stainless steel/ aluminum
- Warranty: 1 Year
Technical Specifications
| Type | Heat Pump Tank |
|---|---|
| Application | Hotel, Household |
| Storage / Tankless | Storage |
| Installation | Freestanding |
| App-Controlled | No |
| Housing Material | Galvanized steel with painting |
| Power Source | Electric, Solar |
| Warranty | 1 Year |
| After-Sales Service Provided | Free Spare Parts |
| Packaging Types | Corrugated Box |
| Place Of Origin | Guangdong, China |
| Brand | M&T |
| Model Number | 2025 |
| Material | Stainless-steel SUS304, 316L,duplex |
| Source | Air Source Heat Pump |
| Heating Source | solar/heat pump/ electric heater/gas boiler |
| Volume | 50-1000L |
| Coil Material | copper/stainless steel/ aluminum |
| Storage | water |
| Pressure | Pressurized |
| Heating System | Thermosyphon (Passive) |
| Certification | ce,WaterMark |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details


















Capacity | L | 100 | 200 | 300 | 400 | 500 | 600 | 800 | 1000 | |||||||
Inner tank diameter | mm | Φ370 | Φ470 | Φ500 | Φ550 | Φ600 | Φ650 | Φ700 | Φ800 | |||||||
Out shell diameter | mm | Φ470 | Φ560 | Φ600 | Φ650 | Φ700 | Φ760 | Φ800 | Φ900 | |||||||
Inner tank material | mm | SUS304 / SUS316L / Duplex2205 / Duplex2304 | ||||||||||||||
Out shell material | mm | galvanized steel with painting / stainless steel / PU | ||||||||||||||
Out shell color | white / silver-grey / blue /red / golden / stainless steel | |||||||||||||||
Max.working pressure | bar | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | |||||||
Max.testing pressure | bar | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | |||||||
Max.running temperature | ℃ | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | |||||||
Heating loss | W/K | 0.65 | 0.72 | 0.89 | 1.02 | 1.15 | 1.26 | —— | —— | |||||||
Standing loss | W | 30 | 33 | 40 | 46 | 52 | 57 | —— | —— | |||||||
ERP Class | A | A | A | A | A | A | —— | —— | ||||||||
Electrical heater | kw | 1.5 | 1.5 | 1.5 | 1.5 | 3 | 3 | 3 | 3 | |||||||
Mg.Anode | mm | Φ22*300 | ||||||||||||||
Water connection | G / BSP / NPT 3/4" | G / BSP / NPT 1" | ||||||||||||||
L:540 W:540 H:1170 | L:630 W:630 H:1440 | L:670 W:670 H:1630 | L:720 W:720 H:1920 | L:780 W:780 H:1930 | L:850 W:850 H:1940 | Φ900*2200 | Φ980*2420 | |||||||||








The leading technology: the international advanced water tank production equipment (such as laser cutting machine, Japan AMADA 357 CNC machines, ABB automatic Robert machine, USA automatic straight and connector welding machine, Italy automatic butt welding machine), and the Germany Advanced welding technology improves not only the stability of product quality, but also the great corrosion resistance and long service lifetime.
Certification: ISO9001 quality system, the French NF certification and Alibaba third party SGS / BV certified factory, the highest standard of stainless steel tank: Australia WaterMark, the European Union CE and ERP. Besides, we are the first and may be the only one factory to obtain the watermark certificate of duplex stainless steel tank.
















Ordering and Pricing
- Minimum order quantity: 1 unit
- Volume pricing:
- 1–49 unit: US $140 / unit
- 50–99 unit: US $122 / unit
- 100+ unit: US $99 / 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 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this water heater carry?
It is supplied with ce,WaterMark documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
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 Guangzhou Sst Heating Energy Co., Ltd., based in China. The company 7 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Guangzhou Sst Heating Energy Co., Ltd. range on HVACR Nexus.
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