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Never use this water heater unless it is completely lled with water.
To prevent damage to the tank, the tank must be lled with water.
Water must ow from the hot water faucet before turning “ON” gas
to the water heater.
A *Condensation may be seen on pipes in humid weather or pipe
connections may be leaking.
B. *The anode rod tting may be leaking.
C. Small amounts of water from temperature-pressure relief valve
may be due to thermal expansion or high water pressure in your
area.
D. *The temperature-pressure relief valve may be leaking at the
tank tting.
E. Water from a drain valve may be due to the valve being slightly
opened.
F. *The drain valve may be leaking at the tank tting.
G. Leakage from recirculation plug or pipe connection.
H. Leakage from the plug under the cleanout cover.
I. Leakage from the temperature probe connection.
J. Condensate from the exhaust connection.
Leakage from other appliances, water lines, or ground seepage
should also be checked.
* To check where threaded portion enters tank, insert cotton
swab between jacket opening and tting. If cotton is wet, follow
“Draining” instructions in the “Periodic Maintenance” section and
then remove tting. Put pipe dope or teon tape on the threads
and replace. Then follow “Filling the Water Heater” instructions
in the “Installing the New Water Heater” section.
LEAKAGE CHECKPOINTS
FIGURE 39.