Quick Answer: How Often Should You Descale Your Tankless Water Heater?

How much does it cost to descale a tankless water heater?

Since rates vary wildly, I can’t put an exact number on it, but expect to pay between $100 and $200 to service your tankless.

This should include the descaling, cleaning of the filter and possibly replacing it, and doing any diagnostics of the tankless water heater system to make sure it is running properly..

What happens if you don’t flush your tankless water heater?

Flushing tankless water heaters whose heat exchangers are blocked by the lime scale is very important and must be done before something happens. If you don’t flush the water heater, the heat exchanger can be damaged as not enough water will pass through and cool it down.

Can I use CLR to clean my tankless water heater?

“We recommend a 60-minute flush, using a white vinegar as the descaling material,” advises Fleming. CLR-type products can be harsh on the copper heat exchanger within the water heater. For more details on descaling your tankless water heater, including step-by-step instructions, please click here.

How often do you descale a tankless water heater?

once a year12-Step Tankless Water Heater Flushing Procedure. Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank’s heating chamber. To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year.

Do tankless water heaters need maintenance?

Tankless water heater maintenance is a must and should be done at least once a year. Also commonly referred to as an on-demand water heater, the tankless water heater may need maintenance every six months if your water heater is set to a high temperature or if you have hard water.

What is the downside of a tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won’t produce enough hot water to serve most households. They’ll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.