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Solar Water Heater Flat Panels
Key Advantages & Benefits:
1. Extreme Corrosion Resistance: Enamel lining prevents rust, scaling, and mineral buildup (ideal for hard/acidic water).
2. Hygienic Water Quality: Non-porous glass surface inhibits bacterial growth.
3. Thermal Efficiency & Durability: Withstands freeze-thaw cycles and high-pressure environments.
4. Low Maintenance & 20+ Year Lifespan
5. Resists limescale, reducing descaling needs and operational costs.
Product Introduction:
Enameled Flat Panel Solar Water Heaters integrate high-efficiency thermal collectors with durable vitreous enamel-lined storage tanks. Designed for residential and commercial use, these systems harness solar energy to provide eco-friendly hot water. The enameled inner tank ensures corrosion resistance and longevity, making them ideal for diverse water conditions.
Premium enameled flat panel solar water heaters with corrosion-proof enamel tanks. Ideal for hard water areas, delivering hygienic hot water with 20+ year durability. IoT-enabled, high-efficiency, and eco-friendly. Explore residential/commercial solar thermal solutions.
Parameter Table:
Collector | BTE2.0-2 | BTE2.5-2 |
Overall area (m2) | 2.0 | 2.5 |
Aperture area | 1.87 | 2.34 |
L x W x H (mm) | 2000x1000x80 | 2000x1250x80 |
Optical performance | 78% | |
Absorber sheet | Al, highly selective coating | |
Frame | Aluminium | |
Enamel direct solar water heater
Model | BTE-ET-150 | BTE-ET-200 | BTE-ET-300 |
Collector | STK2.0-2(x1) | STK2.5-2(x1) | STK2.0-2(x2) |
Tank(L) | 150 | 200 | 300 |
Dimensions | Φ520*1300 | Φ580*1310 | Φ580*1830 |
Insulation | PU foam 50 mm | ||
Working pressure | 7 bar | ||
Inner tank material | 2.0mm | 2.5mm enamelled | |
Outer tank material | Powder-coated steel | ||
Auxiliary heating | 1.5 KW | 2.0 KW | 2.0 KW |
Corrosion protection | Magnesium anode | ||
Mounting material | 0°/ 25°/ 45° Galvanized sheet | ||
Enamel indirect solar water heater
Model | BTE-ET-150 | BTE-ET-200 | BTE-ET-300 |
Collector | BTE2.0-2(x1) | BTE2.5-2(x1) | BTE2.0-2(x2) |
Tank(L) | 150 | 200 | 300 |
Dimensions | Φ520*1300 | Φ580*1310 | Φ580*1830 |
Insulation | PU foam 50 mm | ||
Jacket Layer working pressure | 2 bar | ||
Working pressure | 7 bar | ||
Heat transfer medium | Glycol / water mixture | ||
Inner tank material | 2.0mm | 2.5mm enamelled | |
Outer tank material | Powder-coated steel | ||
Auxiliary heating | 1.5 KW | 2.0 KW | 2.0 KW |
Corrosion protection | Magnesium anode | ||
Mounting material | 0°/ 25°/ 45° Galvanized sheet | ||
Stainless steel direct solar water heater
Model | BTE-ET-150 | BTE-ET-200 | BTE-ET-300 |
Collector | BTE2.0-2(x1) | BTE2.5-2(x1) | BTE2.0-2(x2) |
Tank(L) | 150 | 200 | 300 |
Dimensions | Φ520*1200 | Φ580*1225 | Φ580*1775 |
Insulation | PU foam 50 mm | ||
Working pressure | 7 bar | ||
Inner tank material | SUS 304 / SUS 316L | ||
Outer tank material | Powder-coated steel | ||
Auxiliary heating | 1.5 KW | 2.0 KW | 2.0 KW |
Corrosion protection | Magnesium anode | ||
Mounting material | 0°/ 25°/ 45° Galvanized sheet | ||
Modern Production & Technical Features:
✅ Advanced Enameling Process: Automated electrostatic spraying + 880°C fusion bonding ensures uniform, defect-free lining.
✅ Multi-layer enamel for enhanced adhesion and thermal shock resistance.
✅ High-Efficiency Flat Panel Collectors: Selective absorption coating (α > 96%, ε < 10%) with anti-reflective tempered glass.
✅ Copper heat pipes for rapid heat transfer (90%+ thermal efficiency).
✅ Smart Integration: IoT-enabled controllers for real-time monitoring (app-based temperature/pressure alerts).
✅ Compatible with hybrid systems (solar + electric/gas backup).
✅ Modular Design: Custom tank capacities (100L–500L) and roof-integrated/ground-mount configurations.
Application Scenarios
✅ Residential: Single-family homes, apartments, villas (domestic hot water for showers, kitchens).
✅ Commercial: Hotels, hospitals, gyms (high-volume hot water demand).
✅ Industrial: Pre-heating for boilers, manufacturing processes.
✅ Off-Grid/Remote Areas: Cabins, farms, islands with limited grid access.
✅ Swimming Pools: Seasonal heating extension with corrosion-resistant performance.
Accessories:
Logistics and Packaging:
Why Choose Modern Enamel Solar Heaters?
Reliability: 2–3× longer lifespan vs. stainless steel tanks in corrosive water.
Efficiency: High solar fraction (70–90%) reduces carbon footprint.
Certifications: Meets Solar Keymark, SRCC, and CE standards.
ROI: Payback in 4–7 years via energy savings.
