Royal Sun Solar Water Heater 16 Tube 200L Premium Mat
Royal Sun Solar Water Heater 16 Tube 200L (Full Stainless Steel – 2025 Model)
Brand: Royal Sun | Model Year: 2025 | Capacity: 200 Liters | Color: Silver
Available at: Solar Filter Nepal | Delivery: Free inside Kathmandu Valley
Product Overview
The Royal Sun Solar Water Heater 16 Tube 200L (2025 Model) is a high-performance, energy-efficient solar water heating system designed to provide consistent hot water for households, hotels, and commercial buildings. Engineered with advanced vacuum tube technology and a full stainless steel (SS) body, this system offers excellent durability, efficiency, and long-term savings.
Technical Specifications
Capacity: 200 Liters
Vacuum Tubes: 16 High-Efficiency Tubes
Tube Length: 1899mm
Outer Tube Diameter: 58mm
Inner Tube Diameter: 47mm
Glass Thickness: 1.6mm
Thermal Expansion Coefficient: 3.3 × 10?? °C
Absorptivity: ≥ 93%
Coating Type: AL-N-AL (high heat absorption coating)
Inner Tank: SUS 304-2B Stainless Steel (0.5mm thickness)
Outer Tank: Stainless Steel (0.4mm thickness)
Frame Material: Stainless Steel (1.2–1.5mm)
Insulation: 50mm High-Density Polyurethane Foam
Additional Feature: Electric Heating Rod for backup heating
Key Features & Benefits
Full Stainless Steel Construction: Built with corrosion-resistant SUS 304 stainless steel for strength and longevity.
High Heat Efficiency: AL-N-AL coated tubes achieve 93% solar absorptivity, ensuring faster and consistent heating.
Dual Heating Mode: Solar heating plus electric rod backup for cloudy or low sunlight days.
Energy Saving: Reduces electricity and gas costs by using free solar energy.
Superior Insulation: 50mm PU foam retains heat for extended hours, even during cold weather.
Elegant & Durable Design: Silver stainless finish enhances outdoor aesthetics while withstanding all weather conditions.
Eco-Friendly: 100% renewable energy source, reduces carbon footprint, and supports sustainable living.
Free Installation & Delivery: Complimentary setup within the Kathmandu Valley.
Warranty & After-Sales Service
Total Warranty: 10 Years
5 Years Full Replacement
5 Years Service Support
Dedicated customer service through Solar Filter Nepal for maintenance, repair, and technical assistance.
Safety & Maintenance Tips
Keep the solar heater away from the reach of children.
Avoid pouring cold water into empty or sun-heated tubes to prevent breakage.
Always test water temperature before use to prevent burns (hot water can exceed 50°C).
Regularly clean the tubes and check for dust or debris for optimal performance.
Why Choose Royal Sun Solar Water Heater (2025 Model)?
The Royal Sun 16 Tube 200L Solar Water Heater offers a perfect combination of durability, efficiency, and affordability. Whether for residential or commercial use, it provides reliable hot water year-round — even during winter — with minimal maintenance and maximum savings.
With its premium stainless steel build, high absorption efficiency, and 10-year warranty, it’s one of Nepal’s best solar water heater systems for 2025.