China Wholesale Good Price Unpressurized Compact Vacuum Tube Solar Water Heater Solar Heating System For House Home Hotel
| product name | 300L Vacuum tube solar water heater |
| Model | PFSLY-300/25-5818-P |
| Types of solar water heaters | pressurized |
| collector tube | All glass vacuum solar collector tubes |
| Absorbing coating | interference coating |
| Collector tube size | Φ58mm outer diamater*1800m length |
| Tank type | Open type |
| Inner tank material | 0.5mm SUS304 stainless steel |
| Inner tank diameter | Φ350mm |
| Outer tank material | 0.4mm color galvanized steel plate |
| Outer tank size | Φ450mm |
| Heat exchanger Material | 316L stainless steel, Φ25-32mm diameter |
| Insulation material | 50mm polyurethane foam |
| Cold/hot water port | DN20 |
| Product Weight | 125kg |
| Requirements for roof loads | 100kg/m2 |
| Number of collector tubes | 25 sticks |
| Aperture area | 4.2m2 |
| water tank capacity | 235L |
| total water capacity | 300L |
| full water weight | 425kg |
| Product Size | Length B (mm) 2300 |
| Width A (mm) 2355 |
| collector inclination | 5°~30° |
| Min. outdoor temperature | -40ºC |
| Electric heating (option) | 1 pc, 220V50Hz/110v60hz, 1500W |
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