c. Convection Type Setup. A simple method of supplying hot water for
showers is the convection type hot water heater shown in figure 6-30. With this
arrangement, a mixture of hot and cold water is obtained for the shower. The water
lines may be made from rubber tubing or from metal pipe. Heating the water in the
lower container causes hot water to rise up the riser pipe. This hot water is replaced in
the heating container immediately by an equal amount of cold water.
Figure 6-30. Improvised shower heated with an oil-water flash burner.