Gravity operated hot water heater |
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Burner
 Burning fuel heats copper coil
Heated water moves toward resivor |
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Resivor Cooler water sinks to bottom of resivor and flows into copper coil Resivor should be located higher than burner for greater efficiency. |
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| System above will work without the use of pumps. Gravity pulls the cooler water to the bottom of the resivor Heated water is less dense and naturally migrates up hill to resivor. Ford Model T radiator worked like this. |
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| This example shows the physical characteristics of heated water rising and cooler water sinking. We can enhance this natural energy with a small pump. |
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