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B4 Volume Water Heater
2.11 Two-Temperature System
See Figures 13 and 14 for piping schematics.
This system is designed to maintain the tempered
water circulating loop at the desired temperature
during idle periods as well as when there is a
5
5
Figure 11. Hot Water Supply System
With
Horizontal
Tank
demand for hot water. It is recommended for general
purpose water supply including shower and bathing
applications. Water at 180°F is available directly from
the tank.
With
Vertical
Tank
1
2
2
1
Page 11
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4
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