Description

Key Takeaways

• The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater is a cost-friendly, eco-friendly way to get hot water using solar energy.

• It works without electric power and does not need a pressurized system.

• The design uses heat-pipe tubes for faster heating and better durability.

• You can save on electricity bills and reduce environmental impact.

• It is suitable for homes, small businesses, and places with sunny weather.

What is the Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater?

The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater is a solar-powered water heating system made for households and small-scale commercial use. It uses sunlight to heat water stored in a tank. This system is non-pressurized, meaning it relies on gravity or natural flow instead of pumps or pressure systems. This makes it simpler, cheaper to maintain, and more reliable in areas with unstable power supply.

The main working part is the heat-pipe tubes. These tubes absorb sunlight and transfer heat to the water in the tank. The tank can hold 200 liters, which is enough for a medium-sized family’s daily hot water needs.

How Does It Work?

The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater works using three main parts:

1. Collector Tubes – Made from high-quality glass, these tubes capture sunlight.

2. Heat Pipes – Copper pipes inside the glass tubes heat up quickly and transfer heat to the water.

3. Insulated Tank – The tank keeps water hot for hours, even during cloudy weather.

When sunlight hits the glass tubes, the heat pipe inside gets hot. This heat moves into the water in the tank. Because it is non-pressurized, the hot water flows naturally to taps above the tank level.

Types of Non-Pressurized Solar Water Heaters

If you are considering the Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater, it’s useful to know the other common types:

• Direct System – Water flows directly through the tubes and heats up. Best for areas without freezing temperatures.

• Indirect System – A heat transfer fluid runs through the tubes and heats water in the tank through a heat exchanger.

• Vacuum Tube System – Uses vacuum-sealed tubes to reduce heat loss and improve efficiency.

• Flat Plate Collector System – Uses flat metal plates to collect heat. Good for warmer areas.

The Seven SS Stars system is a vacuum tube type with heat-pipe technology, which is more efficient than older direct-flow systems.

Brand Overview

Seven SS Stars is known for reliable and affordable solar water heating products. The company focuses on making systems that last in different weather conditions. They use stainless steel tanks, corrosion-resistant tubes, and strong insulation. Their products are popular in Africa, Asia, and parts of Europe.

Other brands in the market include:

• Racold – Premium but more expensive.

• Chromagen – Known for long lifespan.

• Sunrain – Similar vacuum tube technology.

• Apricus – High-end with advanced features.

However, Seven SS Stars is valued for balancing cost and performance.

Price and Value

The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater is priced between $350 and $500 depending on location, shipping, and installation costs. In Kenya, prices are often between KES 45,000 and KES 65,000.

While the upfront cost might seem high, the long-term savings are significant. On average, it can reduce your electricity or gas water heating costs by 60 to 80 percent.

Performance and Efficiency

This system can heat water to around 60–80°C on a sunny day. On partly cloudy days, it can still produce water temperatures between 40–60°C.

Performance Factors:

• Sunlight hours – More sun means more hot water.

• Ambient temperature – Works best in warm climates but still performs in cooler ones.

• Tank insulation – Keeps water hot overnight.

Estimated Heating Curve (Sunny Climate)

Benefits of Using the Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater

• Eco-friendly – Uses renewable solar energy.

• Cost-saving – Lowers monthly utility bills.

• Low maintenance – Fewer moving parts mean less chance of breakdowns.

• Durability – Stainless steel tank resists rust and corrosion.

• Energy independence – Works even during power cuts.

Possible Limitations

• Not ideal in very cold climates without additional freeze protection.

• Depends on sunlight – Output drops on long cloudy or rainy days.

• Needs roof space – Must be installed where there is no shade.

Installation Tips

When installing the Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater, make sure:

• The roof can handle the weight (over 250 kg when full).

• The collector tubes face the sun directly (usually north-facing in the southern hemisphere, south-facing in the northern hemisphere).

• The tank is positioned higher than the taps for natural water flow.

Maintenance Guide

Maintenance is minimal but important:

• Clean the tubes every 3–4 months to remove dust and debris.

• Check the tank for leaks once a year.

• Replace damaged tubes if broken.

• Flush the tank yearly to remove scale buildup.

Datasheet – Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater

Who Should Buy It?

The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater is ideal for:

• Homes with 3–6 people.

• Small guesthouses or lodges.

• Schools and small businesses needing hot water.

• Areas with frequent sunshine.

Conclusion

The Seven SS Stars 200 Liters Non-Pressurized Heat-Pipe tube Solar Water Heater is a smart choice for anyone wanting reliable, eco-friendly, and affordable hot water. Its non-pressurized design makes it low-maintenance, and the 200-liter capacity is perfect for medium-sized households. With proper installation and minimal care, it can last for more than a decade while saving significant money on energy bills.

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