How to Install Black and Decker Tankless Water Heater: A Step-by-Step Guide.

To install a black and decker electric tankless water heater, follow the manufacturer’s instructions and use the included mounting hardware. Black and decker electric tankless water heaters provide an energy-efficient and convenient option for homeowners looking to upgrade their hot water systems.

These heaters can help save on energy costs while providing on-demand, endless hot water. Installing the heater is a straightforward process that can be done by following the manufacturer’s instructions and using the included mounting hardware. In this article, we will guide you through the steps required to install your new black and decker electric tankless water heater.

With the right tools and a basic understanding of plumbing and electrical work, you can have your new heater up and running in no time.

Pre-Installation Preparation

Necessary Tools And Materials Needed For Installation

Before installing your black and decker tankless water heater, make sure you have the following tools and materials:

  • Pipe wrenches
  • Two adjustable wrenches
  • Screwdriver
  • Pipe cutter
  • Teflon tape
  • Hangers for the exhaust pipe
  • Pipe straps for the water pipes
  • Four-inch category iii stainless steel vent pipe
  • Exhaust hood
  • Condensing drain pipe
  • Condensate trap

Location Considerations, Including Electrical And Plumbing Requirements

Installing your black and decker tankless water heater requires some planning to ensure the location you choose can accommodate both the electrical and plumbing requirements. Consider the following:

  • The water heater requires a dedicated 240v, 60hz electrical circuit with a 30-amp breaker.
  • The location should have easy access to a gas supply line with a pressure of 3.5 inches water column (depending on the model).
  • The water heater needs to be mounted on the wall with the provided mounting bracket.
  • Allow clearance space for servicing and maintenance (at least 12 inches horizontally and 24 inches vertically).
  • Water supply inlet and outlet connections should be made with copper, brass, or iron pipe.
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Safety Precautions To Keep In Mind

Safety should be your top priority when preparing to install your black and decker tankless water heater. Follow these precautions:

  • Turn off the power and gas supply before beginning the installation process.
  • Wear appropriate safety gear such as gloves and eye protection.
  • Use caution when handling the water heater and avoid damaging any parts.
  • Ensure proper ventilation by installing the exhaust hood and vent pipe according to the manufacturer’s instructions.
  • Take care when making connections to prevent gas or water leaks.
  • Always follow the manufacturer’s installation instructions to ensure the safe and proper operation of the water heater.

By following these tips, you can properly prepare for the installation of your black and decker tankless water heater and ensure a safe and successful installation process.

Step-By-Step Installation Process

Installing a black and decker tankless water heater is a great way to save space and money while enjoying unlimited hot water. With just a few basic tools and this step-by-step guide, you can install your tankless water heater in no time.

So, let’s get started.

Shutting Off The Main Water And Gas Supply

Before starting the installation process, it is essential to shut off the main water and gas supply to the existing water heater. Here are the key points:

  • Locate the main water valve near the water heater and turn it off.
  • For the gas supply, locate the gas isolation valve and turn it off.
  • Wait for the existing water heater to cool down before starting the removal process.
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Removing The Old Water Heater

Removing the old water heater can be a bit challenging, but with the right tools and techniques, it’s a breeze. Follow these guidelines:

  • Disconnect the existing water heater from the water pipes and gas pipes.
  • Using a wrench, loosen the nuts that hold the existing water heater in place.
  • Carefully remove the old water heater from its position and dispose of it.

Mounting The Black And Decker Tankless Water Heater

Now it’s time to install the new black and decker tankless water heater. Here are the key points:

  • Use the mounting template included in the installation guide to mark where you will attach the unit to the wall.
  • Use a drill to make holes where the template indicates.
  • Attach the mounting brackets to the wall with the screws provided in the installation kit.
  • Mount the black and decket tankless water heater on the brackets.

Connecting The Hot And Cold Water Supply, Gas Line, And Electrical Connections

After mounting the unit, it’s time to connect the hot and cold water supply, gas line, and electrical connections. Here’s how to do this:

  • Connect the hot and cold water supply to the corresponding inlet valves on the unit.
  • Connect the gas line to the gas inlet valve, making sure to tighten the nuts and fittings.
  • Connect the electrical wires to the unit according to the manufacturer’s instructions.

Testing The Unit For Proper Functioning

The final step is to test the black and decker tankless water heater for proper functioning. Here are the things you should do to ensure it is working correctly:

  • Open the hot water faucet and check if water is flowing from the unit.
  • Check for any gas leaks using a gas leak detector.
  • Turn on the power and wait for the unit to heat up.
  • Observe the temperature gauge to ensure that the unit is functioning correctly.
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Congratulations! You have successfully installed your black and decker tankless water heater. Enjoy unlimited hot water without taking up too much space.


It is clear that installing a black and decker electric tankless water heater is an achievable task that can be accomplished with minimal effort and basic tools. By following the steps outlined in this guide, you can effectively install a reliable and energy-saving water heating system.

As an added bonus, you’ll be saving money in the long run by reducing your energy consumption and usage costs. As with any diy project, practice safety precautions and consult with a professional if you have any concerns or questions.

We hope you found this tutorial helpful and informative. So, without further ado, it’s time to get started on your water heater installation project and enjoy hot water that is both reliable and energy-efficient for years to come!


I am a mechanical engineer and love doing research on different home and outdoor heating options. When I am not working, I love spending time with my family and friends. I also enjoy blogging about my findings and helping others to find the best heating options for their needs.