MIL-HDBK-1165
Hot Water Outlet
Pressure-
Vent
Dip
Temperature
Pipe
Tube
Draft
Diverter
Flue Tube
(Heat
Exchanger)
Flue
Baffle
Anode
Rod
Insulation
Thermostat
and
Gas Valve
Pilot
Drain
Light
Valve
Main
Thermocouple
Burner
Air Openings
Figure 18
Typical Natural Gas Water Heater
5.4.3
Boilers and Steam Generators. Boilers and steam
generators are used at facilities that need large amounts of
steam for heating or generating electricity. Boilers use varying
amounts of water to produce steam, depending on their size. They
require make-up water to compensate for uncollected condensate,
or to replace blow-down water. Blow-down water is water
64
Previous Page
