Solar Water Heater with Plastic Bottles

Solar Water Heater with Plastic Bottles

How to make a water heater with big plastic (PET) bottles. Inside each bottle there is a 3.5 meteres piece of 4 mm drip watering tubing. This heater takes ad...

Tags: heated swimming pool solar water heater plastic bottles PET bottles solar sun solar energy renewable energy ecology ecological water heater heat ...
Woodworking Art

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