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• Electric heating is used as a backup heating method for solar water heaters, and is used when the hot water temperature does not meet the requirements for use.
• Electric heating has the function of temperature control to prevent dry burning, and will automatically stop heating when the temperature reaches the maximum.
• Electric heating should be installed and commissioned by a professional electrician.
• Leakage protection plug should be installed separately during electric heating installation.
• Electric heating can be controlled by the solar controller to start and heat, and the heating period should be set to avoid waste.
• When someone uses a solar water heater, it is strictly forbidden to turn on electric heating to avoid a safety accident.
• Disconnect the power when the electric heating is not in use.
• Install electric heating should choose high quality cable of suitable diameter to avoid sharing with other equipment.
• At 220V, 1500W electric heating should choose 1.5 square copper core wire.
Model | SFO2015 |
Connection interface size | DN20 Thread,3/4" |
Length | 330mm |
Power supply | 110V/220V |
Power | 1500W/2000W |
Temperature control | With temperature control anti-dry |
Max temperature | 99℃ |
Material | SUS304 |
Recommended installation location | Middle and lower side of water tank |

Welcome to the website of Jiangsu 1st Sunflower Intelligence Technology Co., Ltd
Since entering the field of manufacture of solar products in 1998, 1st sunflower has accumulated deep expertise, good R&D and production skills in solar products and green environmental friendly products. Therefore, we have excellent product design capabilities to provide customers with fast solutions and after-sale support.
We are committed to promoting a low-carbon, natural and healthy lifestyle, and we are committed to providing the most advanced green and sustainable products to our customers around the world.
In the process of continuous development of the company, 1st sunflower continuously improves products according to the regional characteristics and living habits of different countries in order to make the product more concise, more convenient to use, more efficient and less maintenance. At last but not least, reduce energy costs while maintaining comfort and protecting the environment.
1st sunflower aims to provide comprehensive, innovative and sustainable solutions for pollution-free solar products, solar energy utilization, and health & sports, including design, manufacturing and delivery. In addition to our main products, like solar water heaters, solar power systems, solar fans, solar air conditioners etc, we are further extend to the health & sports field, to actively pursue our corporate mission – providing customers with comfortable low-carbon natural health lifestyle.
Our customers are around the world. In order to adapt our products to different scenes, we have also visited many regions over these years. Our long-term experience has taught us the industry habits and international trade policies of many countries. In addition, we have excellent technical staff and experienced international trade service team, who can provide the quickest response and the most powerful support for the problems you face in the process of our cooperation.
1st Sunflower will continue to provide a full range of low carbon, environmentally friendly and natural products&solutions for individuals, families, businesses and public projects to further meet the market's functional and price needs. We strictly follow international practices and quality standards in product development, design, manufacturing, improvement, product trace ability and service procedures. In addition to providing you with high quality with reasonable price products and solutions, we further provide you with fast and active after-sales support and service.
Feel free to contact us for further cooperation.

Https://www.sunflower-solar.com//www.1stsunflower.com
Company: JIANGSU 1ST SUNFLOWER INTELLIGENCE TECHNOLOGY CO., LTD.
Add:NO.1, HONGXI ROAD, NIUTANG INDUSTRIAL DISTRICT, CHANGZHOU, JIANGSU, CHINA
Phone: +008613775232023/+008613584366733
WhatsApp: +8613584366733
Skype ID: cnsunline

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