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How often do tankless water heaters need to be flushed?

How often do tankless water heaters need to be flushed?

once per year
Just like a tank unit, tankless water heaters need to be flushed once per year. Homeowners with hard water should consider flushing and cleaning the unit even more frequently, perhaps every six to nine months because of the excess amounts of magnesium and calcium found in hard water supplies.

Which is better a tankless or tankless water heater?

Besides energy and cost savings, there are several other reasons to choose a tankless water heater over a traditional tank-style heater. Tankless water heaters produce an endless supply of hot water, take up less space, have a lower risk of leaking, are safer, and have a significantly longer lifespan on average.

Can a tankless water heater be used in a power outage?

So, regardless of the type of tankless water heater you have, you’ll be out of hot water in the event of a power outage. This is an area where tank-style water heaters have a significant advantage over tankless. Regardless of the power source, the water stored in their tank will remain hot for several days.

How long does it take for a tankless water heater to heat up?

Once that cool water is flushed out, heated water comes through, however, it can take between a few seconds and a minute depending on the distance between the heater and the tap. Tank-style heaters don’t produce hot water instantly either but since they have a supply ready to go and don’t need to kick on, it reaches the outlet more quickly.

What makes a tankless water heater break down?

Additionally, hard water (water containing high levels of minerals) can cause tankless water heaters to work harder and eventually break down. Due to this risk, some manufacturers require that you also install a water softening system, or the warranty is voided.

What to look for in a tankless water heater?

When buying a tankless water heater, take into account the size of your house, the water flow rate of your faucets, the temperature of the water before it heats up and how hot you want your water to be. With those calculations, a Lowe’s associate can help you find the best tankless water heater for your home.

What is the flow rate of a tankless water heater?

As a result, tankless water heaters deliver a constant supply of hot water. You don’t need to wait for a storage tank to fill up with enough hot water. However, a tankless water heater’s output limits the flow rate. Typically, tankless water heaters provide hot water at a rate of 2–5 gallons (7.6–15.2 liters) per minute.

How does a tankless water heater save money?

Tankless water heaters, also known as demand-type or instantaneous water heaters, provide hot water only as it is needed. They don’t produce the standby energy losses associated with storage water heaters, which can save you money.

Is there a gap between hot and cold water in a tankless water heater?

Since tankless water heaters need a minimum amount of water flow before activating, there’s a gap between completely cold water and the coolest warm water that you can create with a hot and cold water mix.