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Latest Technology Premium Complete Pressurized Vacuum Tube Solar Water Heater System
The pump-free solar water heater features an open water tank for heat storage and a closed coil for heat exchange and water intake. Utilizing 20-second rapid heat exchange technology, it ensures hot water is ready to use while maintaining fresh water quality. The hot water pressure is derived from municipal cold water pressure, making it simple to adjust temperatures with sufficient volume and surging pressure for an excellent user experience.
The end cover of the solar water tank adopts flange connection, allowing for easy opening and maintenance at any time, ensuring safer and more convenient operation.
Modular design allows the water tank to be expanded to meet high consumption needs and multiple water usage points for various customer requirements.
Advanced rapid heat exchange technology allows cold water to flow through the stainless steel bellows heat exchanger for 20 seconds, turning quickly into fresh hot water suitable even for kitchen use.
| Parameter | Specification |
|---|---|
| Model | PFSLY-300/25-5818-P |
| Type | Pressurized Solar Water Heater |
| Collector Tube | All glass vacuum solar collector tubes |
| Tube Size | Φ58mm outer diameter * 1800mm length |
| Inner Tank Material | 0.4mm SUS304 stainless steel |
| Outer Tank Material | 0.4mm color galvanized steel plate |
| Insulation | 50mm polyurethane foam |
| Water Tank Capacity | 235L |
| Total Capacity | 300L |
| Collector Inclination | 5°~30° |
| Min. Outdoor Temp | -40ºC |
Our pump-free centralized heat collection and storage systems offer a reliable solution for commercial solar heating. With zero energy consumption, these systems maximize roof solar resources and connect smoothly with conventional heat sources to meet 24-hour demand.









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