Cleaning Filter On Tankless Water Heater

E407 e421 and e432 issues.

Cleaning filter on tankless water heater.

Reinstall the filter screen. How to flush a tankless water heater and clean the air intake filter step 1. I decided to purchase mine through amazon. Unscrew the water filters and rinse them before putting them back into place.

The same you d buy at any grocery store. Empty the vinegar and place the bucket under the water heater. You should visit the heater at least once every three months. Turn the water supply on slowly again to about 1 4 way open.

Locate the shutoff valves. With the water running out of the hoses turn the valve off on both hoses to stop the flow of water and preventing air from getting into the water heater. Then place a bucket under the cold side fitting to minimize any spills. Navien tankless water heater problems are sometimes hard to comprehend not to mention fix the heater on your own.

Turn the cold water off and remove the filter screen again and clean it under running water. Add teflon to a threaded fitting and tighten this into the adapter with a pipe wrench and pliers. Wrap the outlet fitting s threads with teflon tape and tighten it to the outlet side of the filter. Know that a tankless water is not a set it and forget it water heater.

The solution is the same as for issue e012 that you should clean the air intake filter. Open the water valve and let 4 to 5 gallons of water flow through the system. These are short circuited problems which are the real serious ones that you should call for tech support. Close the cold and hot water ball valves on the unit.

You should notice that there are color coded handles underneath your. Remove the hose from the cold water side and screw the cap back in place. The rinnai is typical. Add an adapter to the inlet side.