Tankless water heaters are considered to be a long-term investment. The right installation of a tankless heater plays a significant role in obtaining the best performance from it. The article shows key things to consider at the time of installation of a tankless water heater.

Consider the Right Size of Tankless Heater

Here are the two things to consider when determining the right heater size.

• Incoming water temperatures all around the year, and
• The pattern in which the occupants use water

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Examine the Gas Supply

It is important to ensure that your home has adequate gas pressure so that the unit efficiently fulfils all the gas requirements. Generally, a tankless water heater requires a gas line of ¾-inches in length.

Fulfill Air-Related Requirements

A tankless unit requires an adequate amount of incoming air to ignite and operate properly. The right amount of availability of air helps in maximizing power savings. It is advised to check with the plumber for determining the ideal air requirements for efficient use.

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Maintain the Right Water Quality

Water quality is another key requirement for the efficient functioning of the water equipment. Water hardness (due to the presence of calcium and magnesium minerals) can form limescale crystals that can coat pipes.

The limescale works as an insulator, that lessens heat-transfer efficiency, and increase thermal stress that shortens the longevity of the unit.

Use A Water Softening System

If the tankless unit operates at the outlet temperature beyond 140° F, then it will require a water softening system. The higher the appliance temperature, the greater will be the chances for deposition of mineral and scales on the unit.

In a location where there is a high amount of mineral content in the water supply, then you would need a heat exchanger. The use of a water softener is essential when the water hardness goes beyond 180 mg/l or 6 grains/gal calcium carbonate/limescale.

Winterize the Unit

It is also beneficial to winterize the unit for seasonal use. Units that are installed in areas that are exposed to freezing temperatures, then it require draining of all the water from the heater. Always check the installation and maintenance directions mentioned by the manufacturer.

Conclusion

Focus on the above factors at the time of setting up a tankless unit. The right installation and periodic maintenance will help you get a continuous supply of hot water and save energy.