How To Install Tankless Water Heater?

Are you looking to upgrade to a tankless water heater? Maybe you’re looking to save money in the long run or get instant hot water — whatever the reason, you’ve come to the right place.

Installing a tankless water heater is a project that you can do yourself, but it will require some extra tools, time and energy. In this article, we’ll provide an overview on how to install a tankless water heater – from planning to execution. So let’s get started — read on to learn the basics on installing a tankless water heater.

How To Install Tankless Water Heater?

Tankless water heaters offer an attractive alternative to traditional tank systems. The tankless models are more efficient and have lower operational costs, making them an attractive option for many homeowners.

Installing a tankless water heater requires a few more steps than a traditional water heater. In this article, we will guide you through a step-by-step process for installing a tankless water heater.

Step-by-Step Process for Installing a Tankless Water Heater

  • Choose the right location for the tankless water heater. Consider the availability of natural gas and any existing plumbing lines in the vicinity when deciding on a location.

  • Install the venting system. The tankless water heater must be vented to the outside of the house. Choose a venting system that is designed to be used with the make and model of tankless water heater you are installing.

  • Mount the tankless water heater on a wall. Ensure that the tankless water heater is mounted to a wall that is in good condition.

    If the wall needs to be repaired first, do so before mounting the tankless water heater.

  • Connect the gas line to the tankless water heater. Make sure to turn off the gas to the house before beginning this step!

    Make sure the gas lines are properly connected and sealed.

  • Connect the water pipes. Connect the hot and cold water pipes to the tankless water heater. Make sure the connections are properly tightened and sealed.
  • Connect the vent system. Connect the ends of the vent pipe to the tankless water heater, making sure the connection is tight and secure.
  • Turn on the gas and water. Turn the gas and water back on and test the tankless water heater. Make sure to inspect the unit for any gas leaks or water leaks.


Installing a tankless water heater is not a difficult task, but it does require knowledge and attention to detail. The steps outlined above should help you through the installation process. With proper installation and maintenance, tankless water heaters can provide years of reliable service. Citation URL: https://www. tanklessland. com/how-to-install-a-tankless-water-heater/ https://www. homedepot. com/c/install_tankless_water_heater/

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