Reliable Heating Water with Solar for every home — Durable / Affordable / Bankable
Upgrade your solar water heating system with the Rirwatt Galvanized Steel Solar Water Heater, designed for both residential and commercial use. Combining durability, efficiency, and cost-effectiveness, this non-pressurized solar water heater provides a sustainable source of hot water using advanced evacuated tube technology.

Non Pressurized Solar Hot Water Key Features:

High-Quality Construction:

The water tank features a PVDF galvanized steel outer shell for maximum corrosion resistance, while the SUS-304 stainless steel inner chest ensures clean, safe water and long-lasting performance.

Durable Support Structure:

Strong galvanized steel brackets (1.35/1.5mm thick) provide secure and stable installation on rooftops, ensuring safety even under heavy wind or snow conditions.

Advanced Vacuum Tubes: Equipped with three-target evacuated tubes (58*1800mm, 2.0kg/tube), the system absorbs solar energy efficiently, heating water quickly even on cloudy days.

Optional Assistant Tank:

For larger hot water needs, an assistant tank can be added to extend capacity without compromising efficiency.

Smart Solar Hot Water Controller:

Comes with TK-8A/TK-7 controller, allowing precise temperature control and improved energy management.

Versatile Water Heater Capacity Options:

Available in 80L, 100L, 120L, 150L, 180L, 200L, 250L, 300L, and 360L to meet the hot water requirements of homes, apartments, hotels, and commercial buildings.

Energy Efficient & Eco-Friendly:

Uses the power of the sun to reduce electricity costs while providing a reliable hot water supply.

Warranty & Peace of Mind:

Backed by a 5-year warranty, ensuring reliability and durability for years of daily use.

Solar Geysers Applications:

Ideal for households, guesthouses, hotels, schools, and small commercial facilities that require a cost-effective, maintenance-friendly solar water heating solution.

 

Heating Water with Solar FAQs:

1. How does it heat water with solar?

It uses evacuated tubes (58×1800mm) to capture sunlight, converting it into heat to warm water efficiently—even on cloudy days.

2. What capacities are available?

Common capacities range from 80L to 360L, suitable for single-family homes, apartments, or small commercial use.

3. Does the solar geysers need electricity?

No. It works with solar energy and gravity feed. A controller (TK-8A/TK-7) may be used for optional temperature monitoring.

4. How long does the solar water heater last?

With proper maintenance, the PVDF outer tank and SUS-304 inner tank can last 10+ years, backed by a 5-year warranty.

5. Can I add an assistant tank?

Yes. For higher hot water demand, an assistant tank can be installed to extend capacity, digital controller, such as TK-7/TK-8A, M-7,M8, SR500 availble too.

Why Choose Riwatt Heating Water with Solar System?

Combining modern design, high-quality materials, and efficient solar technology, Riwatt Galvanized Steel Solar Water Heater delivers consistent hot water, energy savings, and long-term reliability—making it a smart investment for your home or business.

💧 Enjoy FREE hot water using the power of the sun!
Perfect for reducing electricity bills & moving to clean energy.

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Let’s grow the solar business together.