How To Descale Water Heater

Open up valve a with a hose leading to an empty bucket.

How to descale water heater. Be sure the water heater pressure and temperature relief valve is properly installed and is the proper type. See relief valves tp valves. Start by disconnecting the power to the water heater so that you can be safe while you are working to descale it. How to get limescale out of water heaters 1.

Step 1 drain. Drain the descaling solution from the heater and flush fresh water through the heater by closing valve b. You should check to ensure that the no water spills out from your heater. Step 2 remove element.

Place the hot water drain hose back into the empty bucket and open the cold water main valve. Disconnect the power to your tankless water heater. Use the system descaler to get the hose and then attach it to a very hot valve. How to flush descale a tankless water heater these instructions assume you have the isolation valve kit installed.

There will be a noticeable hissing. Step 4 scrub. 8 important steps to descaling a tankless water heater 1. Turn off the power to the water heater and allow the water inside to cool.

Pour approximately 1 5 gallons of water into the bucket and place it under water heater. Step 3 cleaning solution. Pull the pressure regulator lever up to release the pressure inside the heater. First turn off the valves.

Turn off the unit if you are using an electric water heater find the electrical circuit for the unit at your breaker. How to descale a water heater. Close the hot and cold isolation and service valves and remove service caps. Step 5 rinse.

How to use scale removers to clean a hot water tank or to clean scale from the electric water heater electrodes. Carefully remove a hose threads from a second hot and the cold ports of water. This procedure will flush out the heater with fresh cold water. Open up the inlet water valve to let fresh water flow through the unit and empty into the empty bucket to get all of the solution out of the heat exchanger.