How To Descale Tankless Water Heater

During a maintenance visit the professional plumber will descale de lime the tankless water heater eliminating buildup around the heating elements.

How to descale tankless water heater. Remove the purge port valve caps slowly from. To descale a tankless water heater you will need. Turn off the water supply valves you ll need to turn off both the cold water valve and the hot water valve. Close and turn off the 3 water valves attached to your tankless water heater.

Shut off all the power to the water heater. The professional plumber should descale the water heater once a year. Turn off the power source for your tankless water heater. Close the hot and cold isolation and service valves and remove service caps.

You should check to ensure that the no water spills out from your heater. This can be done by shutting off the main gas or turning. Use the system descaler to get the hose and then attach it to a very hot valve. Carefully remove a hose threads from a second hot and the cold ports of water.

Before you begin set your temperature to 150 f and let hot water run through the heater for about a minute. 8 important steps to descaling a tankless water heater 1. Three to four gallons of distilled food grade white vinegar. Add contents of 1 quart bottle of.

Turn off the unit if you are using an electric water heater find the electrical circuit for the unit at your breaker. If you have soft water meaning you have a softening system you are not going to have to do this very often at all in fact maybe never. How to flush descale a tankless water heater disconnect the power to your tankless water heater. This procedure will prevent cold water.

Here are the steps on how to descale a tankless water heater. Isolate the heater by closing the incoming outgoing water isolation valves. A tankless water heater is going to need either an annual or bi annual flush depending on your usage and your water hardness.