Our water heating attachment consists simply of about 50 feet of 1 4 copper tubing coiled into a plaster of paris filled panel.
Copper coil fire water heater.
Marked with blue and equipped for interior water supply systems hot water heating systems and fire protection such as sprinkler systems type l is the most commonly used of the copper pipe types.
Here you can see where the coil comes out behind heater and transitions to copper plumbing.
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4 7 out of 5 stars 26.
This is a brilliant diy hack for creating an off grid water heater with just a simple handmade rocket stove water barrel and copper pipes.
This is similar to how a standard hot water heater works.
The gypsum based material helps distribute heat evenly to the coils.
Because this heater was built in northern california where winters are not so cold as elsewhere we chose to put the coil directly in the firebox since heating hot water is one of the primary functions of the heater rather than a secondary one.
For all you nerds out there this water heating system benefits from the fact that warm water is lighter than cold water.
Simply connect the fire coil to an elevated water jug and place the coil in the camp fire.
The zodi fire coil is designed for convenience delivering hot water with just a camp fire.
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Lightweight compact size and great for heating solar showers at night.
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Cold pool water is pumped from the pool via the submersible pump into a 50 foot coil of copper pipe mounted above the fire inside the pit grill.
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Water flows from the elevated jug through the hot coil and into the empty lower water jug.
Each 4 ft hose has a universal adapter end that pushes onto most water jug valve spouts.
By the time the water makes it out of the pipe the fire has heated the water.
This forces hot water out the top of the coil and into the tub creating a vacuum that sucks cold water from the tub and into the bottom of the coil.
The heated water exits the pipe back into the pool.
The new cold water heats up and begins rising up the coil pushing more hot water out and sucking more cold water in.