8 Answers to Your Questions about Tankless Water Heaters

Maybe it’s your first time to hear about tankless water heaters and you are wondering what they are, or you’ve heard about them but have no clue of how they work. Well, worry not because we are going to look into details what tankless water heaters are and everything that entails them. They are also referred as instantaneous, continuous flow, on- demand, or instant-on water heater, that instantly heats the water while flow through the tankless water heater does not retain water internally except in the exchanger coil.

These heaters may be installed throughout a household far from a central water heater. Also, larger centralized models may still be used to provide all the hot water requirements for an entire house and a continuous flow of hot water unlike from conventional tank water heaters which give a limited constant flow of hot water.

What temperature to set a tankless water heater?

tankless water heater temperature It’s crucial to know which temperature is right for your water heater otherwise it might be hectic when the hot water in your shower just goes off, and cold water replaces it. The setting of the temperature might at times depend on the task to be carried out. If it’s showering, the standard temperature is 120 degrees Fahrenheit that is 49 degrees Celsius. If the water is for laundry or dishwashing, you can opt to set it around 130 F. Depending on your task, you can adjust your preferred range of temperature, but the standard one is 120 F.

How do you maintain a tankless water heater?

A tankless water heater accumulates minerals that builds up and erodes the walls inside the heating chamber. If you want to sustain the water heater appropriately, clean it once a year. Since the water heater might be the source of drinking water, it would be crucial to ensure that you don’t use a chemical when cleaning it. Use undiluted white vinegar around 9.5 liters to clean the tankless water heater.

What size tankless water heater do we need?

Concerning deciding which size a tankless water heater you want to acquire, it depends on a person’s needs. One might need a water heater only to warm bathing water, and another one might need a water heater than heats bathing water, drinking water, laundry water and so on. Therefore, the sizes will differ with the former user acquiring a smaller tankless water heater compared to the latter.

Is electric tankless water heater worth it?

maintain a tankless water heaterAbsolutely. It has numerous merits. It only works when there is a demand for water meaning it reduces the cost of energy by 35% a year. Also, it can provide a continuous supply of water at preset temperature levels around 20-25 liters a minute. It’s durable and can last for over 20 years with proper maintenance. Because of their compact size, they take less space, and they can be set anywhere in the house. These are just but a few of the advantages of a tankless water heater.

Is it better to leave the water heater on all the time?

When you heat water only while in need of it or when using the water, you can save energy between 8%-34% though it depends on your usage. The tankless water heater is more energy efficient compared to other heaters. Turning the water heater off until when you need to use it, the total heat loss during cooling is lower as the heat reduces at a low temperature. Turning on and off a water heater is also essential in improving the efficiency of the water heater.

Why is my tankless water heater making a loud noise?

Tankless water heaters make noise when they are heating water and when starting up. However, the sound might be loud and irritating. When this happens, it signifies that something might be amiss, and some reasons might cause this. If the irritation occurs when hot water is in use, there is a likelihood there is a vacuum that is siphoning water away causing loud noise and vibration.

A dirty flow sensor which controls the amount of gas sent to the unit can also cause loud noise. Blocked and inadequate ventilation can cause such irritation. In case this happens, call a plumber to check it out. The plumber will install a check valve which will prevent other plumbing fixtures from interfering with the water flow in the water heater.

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How do I descale my water heater?

With time, water heaters build scale deposits which affect its operating efficiency. As we had mentioned earlier, your tankless water heater might also be heating drinking water. That means, when descaling it, avoid using chemical solutions and use white vinegar. Attach a draining pipe to the available hot water valve and position the end of the drain hose in a bucket. To ensure that it is entirely submerged, use three to four gallons of white vinegar.

Submerge the pump for one hour. For the process to be efficient, change the vinegar solution after thirty minutes and repeat the whole process. Note while doing this, the drain valve lever handles should be open as you turn the pump on for the recommended one hour.

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How do you keep a tankless water heater from freezing?

At times it might be cold, and your tankless water heater might freeze. It is risky because it can damage the plastic parts in the water heater as well as the pipes. Most tankless water heaters come with inbuilt freeze protection. Whenever it is cold, turn on the freeze protection and the water heater doesn’t have to be on, but it can be plugged in.

The above option might not always work. Hence, turn the unit off and unplug its power source. Switch off the water supply and drain the water from the heater. It is also crucial that you reduce the wat pressure and disconnect the water pipes from the water heater. Finally, cover the vent termination for intake and exhaust to keep litter out.

With this wisdom, you are in a better position to acquire a tankless water heater and handle it appropriately.

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