Removing | the O_d Water Heater | (_ Attach | a | hose | to | the water | heater | |
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| drain valve and put the other end | ||||||
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| in a floor | drain | or | outdoors. | Open | ||
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| the water heater drain valve. Open | ||||||
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| a nearby hot water faucet which wil! | ||||||
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| relieve |
| pressure | in | the | water | |
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| heater | and speed draining. | The | ||||
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| water passing out of the drain valve | ||||||
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| may | be | extremely | hot. | To | avoid | |
|
| being | scalded, |
| make | sure al! |
connections are tight and that the
water flow is directed away from
any person, see Figures 2 and 5.
FIGURE 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.
F_GURE2.
QTurn "OFF" the gas supply to the water heater.
If the main gas line
serving all gas appliances is used, also shut "OFF" the gas at
each appliance. Leave al! gas
appliances shut "OFF" until the
water heater installation is completed, see Figures 2 and 3.
QTurn "OFF" the water supply to the water heater at the water shut off
valve or water meter. Some
installations require that the water be turned off to the entire house, see Figures 2 and 4.
RGURE 3.
FIGURE4.
®If you have copper piping to the water heater, the two copper
water pipes can be cut with a hacksaw approximately four inches away from where they connect to the water heater, see Figure 6. This wil! avoid cutting off pipes too short.
Additional cuts can be made later if necessary. Disconnect
the
completely disconnected and ready to be removed.
FmGURE6.
If you have galvanized pipes to the water heater, loosen the two galvanized pipes with a pipe wrench at the union in each line. Also disconnect the piping remaining to the water heater, see Figure 7. These pieces should be saved since they may
be needed when reconnecting the new water heater.
Disconnect the
QCheck again to make . sure the gas supply is "OFF" to the
water heater. Then disconnect the gas supply connection from the gas control valve.
Burn hazard
*Hotwater discharge.
o Keep hands clear of drain valve discharge,
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 residue, if spilled out, could cause staining.
FmGURE7.