Removing the Old Water Heater
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MANUALGAS |
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| JOINT |
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| UNION | PIPE |
CHECK | WITH | (DO NOT CAP |
OR PLUG) | ||
LOCAL | UTILITY |
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FOR MINIMUM HEIGHT | ® | |
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| 6" MAXIMUM |
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| f AIR GAP |
| SUITABLE |
DRAIN
Attach a hose to the water heater drain valve and put the other end in a floor drain or outdoors. (See Figures 2 and 5.) Open the water heater drain valve.
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.
FIGURE 2.
QTurn "OFF" the gas supply to the water heater.
If the main gas line shutoff valve serving all gas appliances is used, also shut "OFF" the gas at each appliance. Leave all gas appliances shut "OFF" until the water heater installation is completed. See Figures 2 and 3.
®Open a nearby hot water faucet until the water is no longer hot. When the water has cooled, turn "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.
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FIGURE 3.
FIGURE 4.
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 will avoid cutting off pipes too short. Additional cuts can be made later if necessary. Disconnect the
FIGURE 6.
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
®Check again to make sure the gas supply is "OFF" to the water heater. Then disconnect the gas supply connection from the gas control valve.
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• Burn hazard
Keep hands clear of drain
valve discharge.
__%• Hotwaterdischarge.
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.
FIGURE 7.
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