Cleaning Hot Water Heater

Cleaning hot water heater is an easy do it yourself project. All you'll need is a garden hose, a brush, a pair of pliers or a wrench and some teflon tape.

The bottom of your tank is a catch all for sediment, calcium deposits bacteria and rust. Its a good idea to clean your tank once a year and do a water heater flush every 2 to 3 months.
Your water heater will last years longer. If you have a gas water heater cleaning will help with the noise you hear when the burner is on.

First you'll need to drain the tank. Click here drain water heater if you need help.


remove drain valve on water heater

After you've drained the tank remove
the drain valve.






You'll need a long narrow brush like
the one in the picture. Look near the
floor mops at wal-mart or your local
hardware store.





insert brush into drain opening

The bottom of the tank is just below
the drain valve opening.

Insert the brush into the opening.





Scrub the bottom of the tank side
to side and front to back.

The idea is to loosen all the rust
calcium deposits and sediment you
can.

When you're finished scrubbing,
reinstall the drain valve. Don't forget
to apply teflon tape or pipe dope to
the threads so it want leak.

Attach a garden hose and open the drain valve. Turn on the water
supply to your water heater. Let it run 15 to 20 seconds and turn it off.

Let all the water drain out of the tank, add more water and drain again.
Repeat this process until your tank is clean(the water runs clear).


draining water heater tank with a ball valve

I used a ball valve and a bucket
when I cleaned this water heater
so you could see what came out.

Notice how black the water is.

This water heater was drained
and flushed before it was cleaned
with a brush.

This is the best chemical free way
to clean a water heater.

Thanks for visiting cleaning hot water heater.


Return to top

Return to maintenance page


Return to home page