51
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 (Not shown in
gure).
J. Condensate from the exhaust connection.
Leakage from other water heaters, 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 teon tape on the threads
and replace. Then follow “Filling the Water Heater” instructions
in the “Installing the New Water Heater” section.
LEAKAGE CHECKPOINTS

Figure: 38

A:Inlet &
Outlet
B:Anode
Rod
Connection
G:Recirculation
Connection
C:T & P
Connection
D:T & P Outlet
G:Recirculation
Connection
J:Flue Outlet
F:Drain Valve
Connection
H:Cleanout
E:Drain
Valve