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Video & Articles: Appliance & Equipment RepairAO Smith Gas Water Heater Drain Valve Replacement 9004330015 
AO Smith Gas Water Heater Drain Valve Replacement 9004330015
Skill Level
Total Parts Cost
$40.91Estimated Savings
$112.5002:06
- Description
This video provides step-by-step instructions for replacing the drain valve on AO Smith gas water heaters. The most common reasons for replacing this part is if it is damaged or leaking.
All of the information in this thermostat replacement video is applicable to the following brands: AO Smith
All of the information in this thermostat replacement video is applicable to the following brands: AO Smith
Step By Step Instructions
1
To replace the drain valve on this a.o. smith gas water heater…
2
… you will need channel-lock pliers.
3
Before you begin the procedure, shut off the gas supply to the unit.
4
Close the water intake valve as well.
5
Now open the drain valve to drain all of the water from the tank.
6
You can open a hot water faucet in the home to assist in discharging the water.
7
After draining the tank, close the drain valve.
8
You can now use the channel-lock pliers to help unthread the old valve by rotating it counter-clockwise – this may require some effort.
9
Prepare the new drain valve for installation…
10
… by transferring the cover from the old valve to the new one.
11
Thread the valve into the tank clockwise, using the channel-lock pliers to tighten.
12
Now open the water intake valve and allow the tank to refill.
13
Turn the gas supply back on…
14
… and the water heater should be ready for use.
Description
This video provides step-by-step instructions for replacing the drain valve on AO Smith gas water heaters. The most common reasons for replacing this part is if it is damaged or leaking.
All of the information in this thermostat replacement video is applicable to the following brands: AO Smith
All of the information in this thermostat replacement video is applicable to the following brands: AO Smith
Step-By-Step Instructions
1
To replace the drain valve on this a.o. smith gas water heater…
2
… you will need channel-lock pliers.
3
Before you begin the procedure, shut off the gas supply to the unit.
4
Close the water intake valve as well.
5
Now open the drain valve to drain all of the water from the tank.
6
You can open a hot water faucet in the home to assist in discharging the water.
7
After draining the tank, close the drain valve.
8
You can now use the channel-lock pliers to help unthread the old valve by rotating it counter-clockwise – this may require some effort.
9
Prepare the new drain valve for installation…
10
… by transferring the cover from the old valve to the new one.
11
Thread the valve into the tank clockwise, using the channel-lock pliers to tighten.
12
Now open the water intake valve and allow the tank to refill.
13
Turn the gas supply back on…
14
… and the water heater should be ready for use.
Applicable Product Model
Parts Needed
Drain Valve
$40.91
Total$0.00
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