How To Drain A Water Heater image

Draining Water Heater – An effortless approach to drain your water heater!

Water heaters are one of the appliances in the house that were not given maintenance and are taken for granted. After installing the water heater, we forget about it. And we feel that it will do the job without any maintenance and we think of it when it stops functioning. But it is not the case, water heaters do require periodic maintenance for its extended lifespan and maximize efficiency. If are unaware of How To Drain A Water Heater? here is the complete user guide.It will deliver you hot water for years but will increase your utility bill by two-fold and finally, it will fail to work.

How To Drain A Water Heater image
Draining a Water Heater the Right Way image

Why should I drain the water heater?

So to protect your water heater, you need to service it at least once in a year by a plumber who is licensed. A licensed plumber will inspect the water heater for leaks, rust, values, thermostats and check the anode rod and check for other problems in the water heater and drain out all your problems along with the water. Draining the water heater is very important to get rid of the mineral deposits and this will save a lot of your money. Draining the water heater does not require a plumber, you can do it by yourself by following the guidelines.

How To Drain A Water Heater? 

Draining the water heater periodically will flush out sediments like lime, sand, grit, and sediments. These sediments will settle at the bottom of the tank and will reduce the capacity and energy efficiency of the water heater. These sediments may also interfere in the water heating cycles by creating popping and cracking noise. So to protect your water heaters with draining, it is very important. It should be done once in six months or annually based on the mineral content of the water. 

  1. The first step of draining the water heater is to turn off the water supply by closing the cold water supply value present at the top of the water heater. At older homes, you may need to turn off the main water supply from the city corporation. 
  2. If it is an electric water heater, turn off the power and remove the plug from the socket.
  3. If it is a gas water heater, you must turn off the thermostat to pilot mode. By doing so, you prevent the heater from heating up when the water supply is off. Similarly, turn off the gas supply valve.
  4. You need to connect the garden hose to the drain valve of the heater and leave the other end to a drain. It is better to turn off the heater and allow it to cool before draining the water.  
  5. It’s time to open all the water faucets and drain the water from the tank. By opening the water tap, pressure in the system is increased and the water is drained quickly from the tank.
  6. This is the most crucial step of draining the water from the tank by opening the drain valve. Generally, the drained water will be hot, so you need to be very cautious while draining. After draining the water, turn on the cold supply to wash out any sediments remaining inside the tank. The process can be repeated until the water becomes clear. If you feel that the water pressure is not proper and still limited, you can call a plumber for assistance.
  7. After draining the tank, close the valve and remove the hose. Coldwater supply is turned on and water starts to fill the tank. Move the gas value back to on position from the pilot stage. Plug the cable back in the socket and turn on the power supply.
  8. Make sure all the elements are back on track. Check for any water leaks and check the position of the value. Now your water heater is ready for use.


By following these steps, you need to drain water heater once in six months or annually, depending on the hardness of the water. If the water is very hard, then there are more chances for the deposition of the minerals and sediments inside the water heater and in the pipelines. Then you can use chemical methods for removing the grits inside with the help of a licensed plumber. For tankless water heaters, you need a pump to circulate the water through the system or use a flush kit to clean it.

Leave a Comment

Your email address will not be published. Required fields are marked *