Leakage Checkpoints - A.O. Smith GDHE-50 SERIES Instruction Manual

A:Inlet &
Outlet
H:Cleanout
E:Drain
Valve
Figure: 38

LEAKAGE CHECKPOINTS

Never use this water heater unless it is completely filled with water.
To prevent damage to the tank, the tank must be filled with water.
B:Anode
Water must flow from the hot water faucet before turning "ON" gas
Rod
to the water heater.
Connection
A *Condensation may be seen on pipes in humid weather or pipe
G:Recirculation
Connection
B. *The anode rod fitting may be leaking.
C:T & P
Connection
C. Small amounts of water from temperature-pressure relief valve
D:T & P Outlet
D. *The temperature-pressure relief valve may be leaking at the
E . Water from a drain valve may be due to the valve being slightly
G:Recirculation
Connection
F. *The drain valve may be leaking at the tank fitting.
G. Leakage from recirculation plug or pipe connection.
H. Leakage from the plug under the cleanout cover.
I. Leakage from the temperature probe connection (Not shown in
J:Flue Outlet
F:Drain Valve
J. Condensate from the exhaust connection.
Connection
Leakage from other water heaters, water lines, or ground seepage
should also be checked.
* To check where threaded portion enters tank, insert cotton
51
connections may be leaking.
may be due to thermal expansion or high water pressure in your
area.
tank fitting.
opened.
figure).
swab between jacket opening and fitting. If cotton is wet, follow
"Draining" instructions in the "Periodic Maintenance" section and
then remove fitting. Put pipe dope or teflon tape on the threads
and replace. Then follow "Filling the Water Heater" instructions
in the "Installing the New Water Heater" section.