150L Galvanised Solar Water Heater Seven SS – Pressurised Stainless Steel Inner Tank
Product Overview
The 150L Galvanised Solar Water Heater Seven SS is a reliable pressurised solar water heating system designed to provide a continuous supply of hot water while reducing electricity and energy costs. It features a 150-litre food-grade stainless steel inner tank protected by a durable galvanised outer casing, offering excellent resistance to corrosion and harsh weather conditions.
Equipped with high-efficiency heat pipe vacuum tubes, the system efficiently converts solar energy into heat, providing hot water for homes, apartments, guest houses, and small commercial premises. Its pressurised design ensures strong and consistent water pressure for showers, taps, and other hot water outlets.
System Design & Configuration
150-Litre Storage Capacity
Provides sufficient hot water for small to medium-sized households and light commercial applications.
Stainless Steel Inner Tank
Food-grade stainless steel construction ensures hygienic water storage and excellent corrosion resistance.
Galvanised Outer Tank
Durable galvanized steel casing provides additional protection against outdoor weather conditions.
Heat Pipe Vacuum Tube Technology
Captures solar energy efficiently for fast and effective water heating.
Pressurised Water System
Maintains strong and consistent hot water pressure throughout the plumbing system.
High-Density Insulation
Polyurethane foam insulation minimizes heat loss and keeps water hot for extended periods.
Technical Specifications
| Specification | Details |
|---|---|
| Capacity | 150 Litres |
| Brand | Seven SS |
| System Type | Pressurised Solar Water Heater |
| Inner Tank Material | Food-Grade Stainless Steel |
| Outer Tank Material | Galvanised Steel |
| Collector Type | Heat Pipe Vacuum Tubes |
| Number of Tubes | 15 |
| Pressure Rating | Up to 5 Bar |
| Insulation | High-Density Polyurethane Foam |
| Mounting Frame | Galvanised Steel |
| Application | Residential & Commercial Hot Water |
Key Features
150-litre water storage capacity
Pressurised hot water delivery
Food-grade stainless steel inner tank
Durable galvanised outer tank
High-efficiency heat pipe vacuum tubes
15 solar collector tubes
Excellent heat retention
Corrosion-resistant construction
Suitable for fresh and borehole water
Energy-saving solar technology
Low maintenance requirements
Heavy-duty galvanized support frame
Applications
Residential homes
Apartments
Guest houses
Small hotels
Schools
Clinics
Office buildings
Small commercial premises
Installation & Usage Guidelines
- Install in a location with maximum sunlight exposure.
- Mount securely on a stable roof or support structure.
- Connect to a pressurised water supply.
- Ensure all plumbing connections are properly sealed.
- Clean the vacuum tubes regularly for optimal efficiency.
- Inspect the system periodically for leaks and loose fittings.
Maintenance & Care
- Clean collector tubes regularly.
- Inspect plumbing connections periodically.
- Check insulation and support frame annually.
- Replace damaged vacuum tubes promptly.
- Keep the outer tank clean.
- Perform routine servicing as recommended.
Best Practices
Recommended
- Install in direct sunlight.
- Use professional installation services.
- Clean the collector tubes regularly.
- Inspect the pressure relief valve periodically.
- Perform annual maintenance checks.
Avoid
- Installing in shaded areas.
- Ignoring leaks or damaged tubes.
- Using incompatible plumbing fittings.
- Allowing debris to accumulate on the collector tubes.
- Skipping routine maintenance.
Performance Overview
| Function | Performance |
|---|---|
| Water Heating Efficiency | Excellent |
| Heat Retention | Excellent |
| Water Pressure | Excellent |
| Energy Savings | Excellent |
| Durability | Excellent |
Frequently Asked Questions
Is this a pressurised solar water heater?
Yes. It is a pressurised system designed to provide strong and consistent hot water pressure.
What is the difference between the inner and outer tank?
The inner tank is made from food-grade stainless steel for hygienic water storage, while the outer tank is made from galvanized steel for enhanced protection against weather and corrosion.
How many people can a 150L system serve?
A 150-litre system is generally suitable for 3–4 people, depending on daily hot water usage.
Can it be used with borehole water?
Yes. The stainless steel inner tank is designed to resist corrosion and is suitable for fresh and borehole water.
Does it require electricity?
No. The system uses solar energy as its primary heat source, helping reduce electricity consumption.
Why Choose the 150L Galvanised Seven SS Solar Water Heater
150-litre family-sized capacity
Pressurised hot water system
Food-grade stainless steel inner tank
Durable galvanised outer tank
Efficient heat pipe vacuum tube technology
Excellent heat retention
Energy-saving operation
Low maintenance requirements
Ideal for residential and light commercial applications

















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