

Brand: Beijing Sola Solar Energy Technology
Model: PFSLFY-300-25-5818-H
The PFSLFY-300-25-5818-H is a cutting-edge Pressurized Vacuum Tube Solar Water Heater designed for maximum efficiency, durability, and convenience. This innovative system integrates heat storage, heat exchange, and water pressure balancing into one compact unit. With its patented 20-second rapid heat exchange technology, it ensures instant hot water availability while maintaining excellent water quality. Backed by certifications like CE, ISO9001, CCC, and EPR, this product is a reliable and eco-friendly solution for residential and commercial hot water needs.
Key Features
Advanced Design and Technology
- Pressurized System: Utilizes municipal cold water pressure to deliver consistent, surging water flow with easy temperature adjustments.
- Vacuum Tube Collectors: Equipped with all-glass vacuum tubes featuring interference coating for superior thermal insulation and high heat collection efficiency.
- Rapid Heat Exchange: Patented 20-second heat exchange technology ensures fresh, ready-to-use hot water instantly.
High-Quality Materials
- Inner Tank: Made from 0.55mm SUS304 stainless steel for durability and corrosion resistance.
- Outer Tank: Constructed with 0.6mm color galvanized steel plate for added strength and aesthetic appeal.
- Insulation: Features 50mm–70mm flame-retardant polyurethane foam to minimize heat loss and ensure energy efficiency.
- Heat Exchanger Coil: Crafted from 316L stainless steel (0.3mm thickness, Φ25–32mm) for long-lasting performance.
Compact and Reliable Construction
- Dimensions: Length 2300 mm, Width 2130 mm.
- Lightweight design with an empty weight of 120 kg and a full water weight of 420 kg.
- Roof load requirements of 100–120 kg/m² make it suitable for most rooftops.
Performance Highlights
- Capacity: Total water capacity of 300 liters, including a 235-liter water tank.
- Collector Tubes: 25 vacuum tubes (Φ58mm outer diameter × 1800mm length) with an aperture area of 3.6 m² for optimal solar energy absorption.
- Cold/Hot Water Ports: DN20/DN25 connections for seamless integration with plumbing systems.
- Collector Inclination: Adjustable between 5°–30° to suit various installation environments.
- Extreme Weather Resistance: Operates reliably in temperatures as low as -40°C, ensuring year-round performance.
Optional Electric Heating
- Includes an optional electric heating element (220V 50Hz / 110V 60Hz, 1500W) for backup heating during cloudy or low-sunlight days.
Applications
- Residential Use: Perfect for homes seeking an efficient and eco-friendly solution for hot water heating.
- Commercial Use: Ideal for apartments, hotels, and businesses aiming to reduce energy costs while ensuring consistent hot water supply.
Benefits
- Efficient and Eco-Friendly: Harnesses renewable solar energy to reduce reliance on traditional energy sources.
- Fresh Water Quality: Open water tank design ensures clean, fresh hot water for daily use.
- Consistent Water Pressure: Matches hot water pressure with municipal cold water supply for a balanced and comfortable user experience.
- Durable and Reliable: Built with high-quality materials to withstand harsh environmental conditions and provide long-term performance.
Why Choose the PFSLFY-300-25-5818-H?
- Innovative Technology: Patented rapid heat exchange ensures instant hot water availability with minimal wait times.
- Certified Quality: Meets international standards with certifications like CE, ISO9001, CCC, and EPR.
- Versatile Installation: Suitable for both residential and commercial applications, offering flexibility for diverse needs.
Upgrade Your Hot Water System
Invest in the PFSLFY-300-25-5818-H Pressurized Vacuum Tube Solar Water Heater for a reliable, efficient, and sustainable hot water solution.
Order now and take the first step toward a greener, more energy-efficient future with Beijing Sola Solar Energy Technology.
From SOLAR.ID of Jakarta, Indonesia

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