8
INSTALLATION INSTRUCTIONS
1.
water heater.
If the main gas line Shut-off valve
serving all gas appliances
appliance. Leave all gas appliances
Figures 2 and 3.
the water heater at the water shut
off valve or water meter. Some
installations require that the water
see Figures 2 and 4.
FIGURE 2.
RemovingtheOldWaterHeater
FIGURE 3.
FIGURE 4.
heater. Then disconnect the gas supply connection from the
gas control valve.
4. Attach a hose to the water heater
drain valve and put the other end in
water heater drain valve. Open a
nearby hot water faucet which will
relieve pressure in the water heater
and speed draining. The water
passing out of the drain valve may
be extremely hot. To avoid being
Figures 2 and 5.
FIGURE 5.
5. Disconnect the vent pipe from the draft hood where it connects
to the water heater. In most installations the vent pipe can
be lifted off after any screw or other attached devices are
removed. Dispose of the draft hood. The new water heater
has a draft hood which must be used for proper operation.
see Figure 6. This will avoid cutting off pipes too short.
Additional cuts can be made later if necessary. Disconnect the
temperature-pressure relief valve drain line. When the water
Close the drain valve. The water heater is now completely
disconnected and ready to be removed.
FIGURE 6.
the two galvanized pipes with a pipe wrench at the union
in each line. Also disconnect the piping remaining to
saved since they may be needed when reconnecting the
new water heater. Disconnect the temperature-pressure
disconnect the hose from the drain valve. Close the drain
valve. The water heater is now completely disconnected
and ready to be removed. Mineral buildup or sediment may
have accumulated in the old water heater. This causes
the water heater to be much heavier than normal and this
FIGURE 7.
