How To Clean Tankless Water Heater?

Are you tired of using dirty and rusty hot water every morning?

Want to know how to clean a tankless water heater? Then this is the right article for you.

The first step in cleaning a tankless water heater, whether electric or gas, is understanding why and when it’s necessary.

The cost of running a tankless water heater is lower than that of a traditional water heater. It also requires much less maintenance.

To maintain efficiency, a tankless water heater needs to be flushed annually.

cleaning tankless water heater

This is affected by the hardness of your water, and if your home’s water is especially poor, you may consider flushing it two to three times per year. Hard water can be controlled to a certain degree with sediment traps or softeners.

We will be talking about some tips on how to clean a tankless water heater which can also be used as a step-by-step guide.

Step 1: 

  • The very first step which you should do is to turn off the tankless water heater. Follow the steps given in this article to find out how.

Step 2:

  • After you have turned off your tankless water heater, it’s time to drain whatever is left of the hot water inside.
  • You can use a garden hose or in case if that doesn’t work, you can remove the drain plug too.
  • Just make sure before moving on to the next step where you are draining all this dirty water so as not to cause any leaks.

tankless water heater cleaning guide

Step 3:

  • Turn off the gas supply before proceeding with this cleaning routine, especially when using an electric type of tankless water heater.

Step 4:

  • Now it’s time to remove the tankless water heater. First, you have to turn off the power supply of your tankless water heater before disconnecting the wires.
  • This is especially important when it comes to gas-powered heaters.
  • After doing so, you can now move on to unscrewing all the screws which are holding on the unit.
  • Make sure not to leave any screws lying around as these can be really dangerous later on.

Step 5:

  • Once you have removed your old heater, it’s time for cleaning!
  • You will need some white vinegar or baking soda and a sponge.
  • Just apply some solution onto the surface and use your sponge in scrubbing it clean.
  • Use some paper towels afterward just in case you still have dirt left.

Step 6:

  • Make sure to rinse the tankless water heater with running water if you have removed it from your home.
  • This is important, especially when dealing with chemicals used in cleaning.
  • Now, start putting back all the parts which you have removed earlier on.
  • Make sure to screw them tight just enough so that they won’t move around.

Step 7:

  • Once you are done with the assembling, turn on the power supply of your tankless water heater and make sure there are no leaks before turning it back on.
  • If everything seems fine, then you can now enjoy hot water again! By doing this regularly, not only will you get rid of dirt but also prevent corrosion which can cause leaks later on even after cleaning.
  • It’s always best to be prepared and prevent problems than clean them after they start.

Now you know how to clean a tankless water heater and what are the steps for it, but don’t forget that you can also apply these tips if your hot water is not coming out properly. Sometimes when flow decreases, you might need to clean your unit. This will improve the circulation of water inside and may solve all your problems! Do this regularly to get the best experience from such units.

Tips To Clean Tankless Water Heater:

  • Clean the unit every couple of weeks. This will reduce problems such as clogs and corrosion.
  • Make sure to turn off the gas supply before doing so though.
  • Don’t use chemicals when cleaning though, just warm water is fine for this purpose.
  • Instead of using an abrasive cleaner or a steel-wool pad, try vinegar or baking soda solution instead! Use a sponge to apply and scrub away all dirt and grime afterward with some paper towels. For parts which have been corroded heavily, replace them with new ones right away to avoid further problems later on!
  • Turn off the power supply if you are going to clean your tankless water heater after draining out what’s inside because this can cause injuries when coming in contact with electricity! Never try to touch electrical components without turning off the power because this can cause serious damage.
  • Never use abrasive chemicals when cleaning tankless water heaters as these can corrode materials from inside and cause problems later on. Instead, stick with natural products such as baking soda or vinegar for a safe and effective cleaning routine instead! If you want to be prepared just in case something goes wrong, then it’s always better to have a replacement already at hand before going ahead with this cleaning procedure.

Remember that your safety should be prioritized no matter what, so turn off all necessary units before starting any kind of maintenance including the tankless water heater! Make sure that you have read all labels before applying any solution onto parts as some cleansers might be flammable and need to stay away from heat, sparks, or open flame.

You don’t have to be a professional plumber to know how to clean a tankless water heater, but it’s pretty clear that you need some practice for this.

To help you out, we’ve put together the following FAQs.

How often should I clean my tankless water heater?

This will depend on a few factors, including how often you use your water heater and how much sediment is in your water.

In general, it’s a good idea to clean your tankless water heater every 6 months.

What supplies do I need to clean my tankless water heater?

In order to clean your tankless water heater, you’ll need the following materials:

A screwdriver (with the appropriate bits) – An adjustable wrench – Several cleaning supplies including baking soda, vinegar, rust remover, protective goggles, etc.

What is the best way to clean my tankless water heater?

There are several ways to clean your tankless water heater; however, the most effective option is to remove your unit and clean it in a bathtub. If you choose this method, be sure to wear goggles and protective clothing.

What can I use to clean my tankless water heater?

Once again, there are several options available for cleaning your tankless water heater; however, the most common choices include baking soda and vinegar.

How do I know when my tankless water heater needs to be replaced?

The best way to tell if you need a new tankless water heater is by determining if the one you currently have is corroding or leaking. If so, it’s time for a replacement!

Now that you know how to clean a tankless water heater, try applying these tips yourself following all proper safety precautions! You can’t go wrong with a little effort put in for the sake of your family’s comfort.

It also helps prevent major problems later on such as corrosion and clogs which can ruin the entire experience! Hope this article was able to help you out with valuable information about cleaning tankless water heaters, thank you for reading!

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