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Item #:
22240312
400 Liter 105 Gallon Stainless Steel Solar Hot Water Heater Tank Single Copper Coil Heat Exchanger
Item #:
22240312
GMD 228130
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Order now and get it around Friday, July 31
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Our solar water tanks come with a built-in copper heat exchanger, so the working fluid can simply pass through the coil, thus heating the water inside.
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What Stands Out
Large Capacity
With a 400-liter capacity, this tank efficiently meets the hot water needs of households, ensuring ample supply for various applications, from bathing to cleaning.
Durable Material
Constructed from high-quality stainless steel, this water heater resists corrosion and wear, ensuring longevity and reducing maintenance costs over time.
Efficient Heating
Equipped with a single copper coil heat exchanger, it maximizes heat transfer, enabling rapid heating and improved energy efficiency compared to traditional heaters.
Product Details
- Stainless Steel Solar Water TanksActive solar water heaters utilize an antifreeze as the working fluid in the system. This fluid carries the heat collector from the sun to a tank stored in a different location. In order to exchange heat to the water within the tank, a heat exchanger is required. Our solar water tanks come with a built-in copper heat exchanger, so the working fluid can simply pass through the coil, thus heating the water inside.Stainless Steel Tanks Are Better than Vitreous Enamel TanksOur tanks are made of food grade stainless steel layered with a galvanized steel shell on the outside for increased strength against high pressures. Stainless steel is superior in solar water heating applications because it can handle the very high temperatures produced by solar water heaters, has excellent corrosion resistance and can handle the constant high pressure resulting from constant heating throughout the day.Vitreous enamel tanks are made of carbon steel and utilize a glass lining to protect the steel from corrosion. Unfortunately, these cheaper style tanks cannot handle the constant pressure in solar water heater systems. When the water temperature rises to 70°C or greater, which is typical for a solar water heater system, there is high risk of cracking of the glass lining due to excessive expansion and sticking to the carbon steel. Once cracks have formed, the carbon steel may rapidly corrode due to exposure to the water, which often results in premature failure.Copper Heat Exchange CoilsEvery tank comes with a copper coil in the bottom of the tank for heating by the solar loop. The coil extends from where the ports enter and down to the bottom of the tank so that the entire tank of water can be heated fully by the solar loop.Dual coil tanks come with a 2nd coil installed on the top. The top coil can be used for other heat applications.
| Water heater type | Solar Powered Water Heater |
| Brand | Duda Solar |
| Volume capacity | 105 gal |
| Features | Automatic |
| Height | 62.99" (160 cm) |
| Has written warranty | No |
| Power type | Solar |
| Weight | 0.1 lb (50 grams) |
| Model | tank401 |
Who Should Buy?
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Eco-conscious Homeowners
Ideal for homeowners seeking sustainable energy solutions, reducing utility bills while utilizing renewable solar energy.
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Large Families
Perfect for large households that require a significant amount of hot water, ensuring availability for all daily needs.
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Off-grid Living
Beneficial for off-grid homes, providing consistent hot water without reliance on traditional energy sources.
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Small Households
Not ideal for small families or individuals requiring little hot water, resulting in underutilization of tank capacity.
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Limited Budget
May not be suitable for users with a tight budget due to initial investment costs and installation expenses.
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Apartments or Condos
Inappropriate for apartment living due to space constraints, limiting installation options and efficiency.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What material is the inner tank made of?
Answer: The inner tank is made from food-grade SUS 304-2B stainless steel. -
Question:
Why are stainless steel tanks better than vitreous enamel tanks?
Answer: Stainless steel tanks can handle higher temperatures, have excellent corrosion resistance, and withstand constant high pressure. -
Question:
Does the tank come with heating components?
Answer: Yes, every tank comes with a built-in copper heat exchanger for efficient solar heating.
Duda Solar Water Heaters Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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GMD 228130
Order now and get it around Friday, July 31
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 6 items left in stock.
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Constructed with food-grade SUS 304-2B stainless steel for superior durability.
- Includes a built-in copper heat exchanger for efficient heating.
- Designed to withstand high temperatures and constant high pressures.
- Superior to vitreous enamel tanks that can't handle extreme conditions.
- Galvanized steel shell enhances strength and longevity.
- Ideal for active solar water heater systems.
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