Assembly Line

What are water heaters made of?

Water heaters take sheet steel, glass, magnesium, polyurethane and paint directly. Trace them back and you pass 33 made things on the way to 20 raw materials.

How water heaters are made See it on the map

What goes straight in

From the ground: 20 raw materials

Made along the way: 28 things

Metals 6

Chemicals and fuels 18

Plastics and fibers 1

Electronics 1

Food 2