A water heater that does away with a tank will allow you to save money because it only heats
water when it is being used. This tankless appliance does not have storage tanks that stores
heated water. It only heats water when you open a faucet or turn on the shower. This tankless
method of heating allows you to save money on electric and water bills. These types of heating
appliances are also smaller and easier to install due to the absence of a storage tank.
However, these heaters have special plumbing requirements that you should be aware of. Read
the product details of the tankless before deciding to purchase it to check it is compatible with
the plumbing of your home. Tankless heating appliances are not that difficult to install if you
have some basic plumbing know-how and can follow instructions. Read the manufacturer's
installation instructions that come with your water heater to learn how to install it in your home.
Before Starting the Installation
Before you start installing your new heating appliance, you must first turn off your home’s water
supply in order to prevent liquid leaks during the installation process. You should also make sure
to turn off the gas or power line that you will use to power the water heater to prevent gas leaks
or electricity related accidents. If you are replacing an old heating device, remove it carefully
before installing your new heating device.
All tankless heating devices have different installation instructions, so make sure that you read
the installation instructions that came with your device before you start installing it. Follow
the procedures listed in the installation instructions in order to mount your new heating device
properly. Improper installation can cause water or gas leaks that lead to accidents or a broken
Connect Your Tankless Device to the Plumbing
After mounting your new device, you can start connecting the device to the plumbing of your
home. Experts recommend that you use copper pipes and fittings to connect your heater to the
plumbing because the heat generated by the heating device may cause plastic pipes and fittings
to melt. It is also recommended that you use unions to connect your heater’s plumbing to the
existing house pipes so that future replacements or repairs will be simpler.
Test the Water Heater
After installing your new tankless water heater, turn on your house’s water supply and check
your heating device and the new plumbing for any liquid leaks. Repair all of the leaks that you
find before attaching the power to your new heating device. Liquid leaks can cause a short if
your heating device is powered by electricity, so make sure that you repair all of the leaks that
you discover and check your heating device regularly for leaks.
Attach the Combustion Exhaust or Power to the Device
After making sure that there are no liquid leaks, you can start attaching the water heater to the
combustion exhaust or power. If your appliance is a gas and propane model, attach its exhaust
port to the combustion exhaust vent of your house. The exhaust vent must exit your home as
vertically as possible so that the potentially dangerous combustion byproducts produced by your
appliance will be able to exit your house more efficiently. If your heating appliance is powered
by electricity, follow the installation instructions that came with the water heater to learn how to
connect your heating appliance to your home’s power line. After connecting your new heating
appliance to your home’s gas or power line, you can restore your home’s gas or electricity
supply and turn on your new water heating appliance.