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Step-by-Step DIY Water Heater Drainage
Draining your water heater periodically helps remove sediment buildup, improving efficiency and extending its lifespan. Here’s how to do it safely and effectively:
Tools & Materials Needed:
• Garden hose
• Bucket (optional)
• Adjustable wrench (if needed)
• Flathead screwdriver (if needed)
• Towels (to catch any spills)
Step-by-Step DIY Water Heater Drainage
Turn Off the Power
For electric water heaters: Switch off the power at the circuit breaker.
For gas water heaters: Turn the thermostat to the “pilot” setting or completely turn off the gas.
Turn Off the Cold Water Supply
Locate the cold water inlet valve (usually at the top of the heater) and turn it off.
Attach a Hose to the Drain Valve
Connect a standard garden hose to the drain valve at the bottom of the heater.
Place the other end of the hose in a drain, bucket, or outside where water can flow safely.
Open a Hot Water Faucet
Open a nearby hot water faucet (e.g., a sink) to prevent a vacuum from forming.
Open the Drain Valve
Use a flathead screwdriver or wrench (if necessary) to turn the valve counterclockwise.
Let the water flow out. Be cautious, as it will be hot!
Flush Out Sediment (Optional but Recommended)
Once most of the water has drained, briefly turn the cold water supply back on.
This will help flush out any remaining sediment.
Repeat until the water runs clear.
Close the Drain Valve & Refill the Tank
Once fully drained, close the drain valve.
Turn the cold water supply back on.
Keep the hot water faucet open until water flows steadily (this removes air from the system).
Restore Power
For electric heaters: Turn the power back on at the breaker.
For gas heaters: Relight the pilot light if necessary and set the thermostat back to your desired temperature.
Check for Leaks