How Often To Flush Navien Tankless Water Heater

Performing this simple maintenance will improve the efficiency and life of your water heater.

How often to flush navien tankless water heater. Tankless water heater manufacturers recommend their units be flushed at least once a year to eliminate the buildup of calcium and other minerals within the unit even more often if you have hard. Navien combi boilers have inlet water screens on the dhw cold water connection along with a screen between the heating supply and return connections. Once a year is good in soft water areas hard water areas could benefit from flushing every three months. Remove the access panel and use a non contact voltage tester to make sure there s no longer power leading to the terminal.

Manufacturers of the tankless water heaters recommend flushing the mineral deposits at least once a year or more often if you leave in an area with hard water. However many models come with user manual teaching you about flushing. Periodic flushing will keep mineral and sediment away from your tankless water heater. Locate the hot and cold shut off valves.

Featured tankless water heaters will build up calcium and debris on the elements and the filters inside the machine. It s important to perform a flush with food grade white vinegar at least once every 12 to 18 months. Cleaning the buildup helps your unit run more efficiently and flushing it once a year should be enough. Flushing and cleaning the water heater can get as high as 200.

To properly maintain and clean your tankless water heater you must flush and remove the mineral deposits from your tank at least once per year. How to flush a gas tankless water heater. All navien tankless water heaters have water screens on the cold water inlet and the npe advanced models have an additional screen on the recirculation inlet. Over time a tankless water heater can accumulate minerals that can build up on and erode the walls inside your tank s heating chamber.

How to flush a tankless water heater step by step generally you will shut off the power and water supply to the water heater attach a short hose to each of the isolation valves connect a small pump to the end of the cold water hose and then place both the end of the hot water hose and circulation pump inlet hose into a 5 gallon bucket of water. Locate and close the gas isolation valve.