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RESIDENTIAL GAS, NON POWER VENTED, WATER HEATER
SERVICE HANDBOOK
Centimeters
= Inches X 2.54
MM (millimeters)
= Inches X 25.4
Meters
= Inches X .0254
Doubling the diameter of a pipe will increase its flow capacity (approximately) 5.3 times.
CONSTRUCTION:
Tank
is constructed of steel.
glass lining
The inside of the tank is constructed of a
bonded to the steel. This prevents
water to metal contact and rusting of the tank.
anode rod
An
will be installed within the tank. The hex-head plug end of the anode is visible
on the top of the water heater. This metal rod offers secondary protection of the tank against
corrosion where the application of glass is not possible (threaded tank openings). These areas
will have small areas of water to metal contact.
one thermostat
one high
All water heaters will contain at least
(to operate the heater) and
limit
(to prevent water temperatures approaching the "steam" level).
4
State Water Heater
Technical Training Department
© 2004
Ashland city, TN
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