| Customization: | Available |
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| After-sales Service: | Overseas Call Centers,Free Spare Parts |
| Warranty: | 3 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Non-pressurized solar water heater is such a most economical system with high efficiency at the same time. It works depending on the gravity of water, so it's much better to be installed on the slope or flat roof as top as possible to get enough hydraulic pressure for shower. A simple assistant tank can be equipped for tap water refill automatically or with an intelligent controller to control the auxiliary heating device and water refill at the same time.
| Vacuum tube | Spec. (mm) | Φ 58× 1800 |
| Tube (pcs) | 12 / 15 / 18 / 20 / 24 / 28 / 30 / 36 | |
| Material | 3.3 Borosilicate glass, magnetron spluttering selective coating | |
| Coating | AL/AL-ALN(H)/AL-ALN(L)/ALN or Cu/SS-ALN(H)/SS-ALN(L)/ALN | |
| Water tank | Capacity | 70 ~ 400L for inner water tank |
| Inner tank | Food-grade stainless steel plate SUS304-2B | |
| Insulation | High-density polyurethane integrated foam-forming 50~60mm | |
| Tank shell | Color steel plate | |
| Bracket | Spec. (mm) | 1.2 ~ 1.5mm thickness |
| Material | Hot-dip galvanized steel plate | |
| Accessories | Stainless bolts & nuts, Silicon rubber seal, Dustproof rubber seal, Plastic pipe holder | |
| Optional device | Electrical heater, Intelligent controller / Assistant tank, Anod magnesium bar | |
| Tilt angle | 25° ~ 50° | |
| Water output | 45-95 °C | |
| Hail resistance | Φ 25mm diameter | |