| 摘要 |
A solar thermal lamp used for heating water in a water tank. The thermal lamp includes a transparent glass bulb with a threaded male coupling for attaching to a female coupling in the bottom or side of a water tank. The thermal lamp also includes a metal heat condenser with an enlarged water heating probe. The probe is received inside the water tank. The heat condenser can include a copper coil, copper fins, a heat absorbing coating, and the like for receiving solar energy thereon and conducting the solar heat to the water heating probe for heating the water inside the water tank.
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