300L Solar Water Heater Seven SS Stars – Non-Pressurised
Product Overview
The 300L Seven SS Stars Non-Pressurised Solar Water Heater is a reliable and energy-efficient solution for providing large volumes of hot water using renewable solar energy. Designed for residential and commercial applications, the system features a 300-litre stainless steel storage tank and high-efficiency vacuum tube collectors that efficiently absorb solar heat throughout the day.
Its non-pressurised design makes it ideal for gravity-fed water systems and locations where simplicity, reliability, and low maintenance are priorities. Built with corrosion-resistant materials and quality insulation, this solar water heater delivers dependable hot water while helping reduce electricity and heating costs.
System Design & Configuration
300-Litre Storage Tank
Provides a generous supply of hot water for large households and commercial facilities.
Non-Pressurised System
Ideal for gravity-fed water supply systems and installations with rooftop storage tanks.
Stainless Steel Water Tank
Food-grade stainless steel construction ensures hygienic water storage and excellent corrosion resistance.
High-Efficiency Vacuum Tubes
Captures solar energy efficiently for rapid water heating and reliable daily performance.
Thermal Insulation
High-density polyurethane insulation minimizes heat loss and keeps water hot for extended periods.
Heavy-Duty Support Frame
Galvanized steel frame provides strength, stability, and long-lasting outdoor durability.
Technical Specifications
Specification
Details
Capacity
300 Litres
Brand
Seven SS Stars
System Type
Non-Pressurised Solar Water Heater
Tank Material
Stainless Steel
Collector Type
Vacuum Tubes
Number of Tubes
30
Insulation
High-Density Polyurethane Foam
Mounting Frame
Galvanized Steel
Water Supply
Gravity-Fed
Application
Residential & Commercial Hot Water
Key Features
300-litre hot water capacity Non-pressurised gravity-fed system Food-grade stainless steel tank 30 high-efficiency vacuum tubes Excellent heat retention Energy-saving solar heating Corrosion-resistant construction Low maintenance design Durable galvanized support frame Reliable all-weather performance Environmentally friendly operation Long service life
Applications
Residential homes Apartments Hotels and lodges Schools Hospitals Guest houses Commercial buildings Staff accommodation
Installation & Usage Guidelines
Install where the collector receives maximum sunlight.
Mount securely on a stable roof or support structure.
Connect to a gravity-fed water storage tank.
Ensure plumbing connections are properly sealed.
Clean the vacuum tubes regularly for optimal performance.
Inspect the frame and fittings periodically.
Maintenance & Care
Clean the vacuum tubes to maintain heating efficiency.
Inspect plumbing fittings for leaks.
Keep the storage tank clean.
Check the support frame for stability.
Replace damaged vacuum tubes promptly.
Perform routine maintenance as recommended.
Best Practices
Recommended
Install in an unshaded location.
Use qualified installers.
Clean collector tubes regularly.
Inspect the system annually.
Maintain a clean water supply.
Avoid
Installing under trees or shaded areas.
Allowing dirt to build up on vacuum tubes.
Ignoring leaks or damaged components.
Using incompatible plumbing fittings.
Skipping routine maintenance.
Performance Overview
Function
Performance
Water Heating Efficiency
Excellent
Heat Retention
Excellent
Energy Savings
Excellent
Durability
Excellent
Reliability
Excellent
Frequently Asked Questions
Is this a pressurised solar water heater?
No. This is a non-pressurised solar water heater designed for gravity-fed water systems.
How many people can a 300L system serve?
A 300-litre system is generally suitable for 6–8 people, depending on daily hot water usage.
What material is the storage tank made from?
The storage tank is made from food-grade stainless steel, providing excellent durability and corrosion resistance.
Does it require electricity?
No. The system uses solar energy to heat water, helping reduce electricity costs.
Where is this system best suited?
It is ideal for homes, schools, hotels, guest houses, hospitals, and commercial buildings with gravity-fed water systems.
Why Choose the 300L Seven SS Stars Non-Pressurised Solar Water Heater
Large 300-litre capacity Reliable gravity-fed operation High-efficiency vacuum tube collectors Food-grade stainless steel tank Excellent heat retention Low maintenance requirements Energy-saving performance Durable galvanized support frame Ideal for residential and commercial installations
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