Cleaning Filter On Tankless Water Heater

Locate the shutoff valves.
Cleaning filter on tankless water heater. Add an adapter to the inlet side. The rinnai is typical. 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.
Wrap the outlet fitting s threads with teflon tape and tighten it to the outlet side of the filter. 5 steps to cleaning your rinnai tankless water heater filter learn best practices on cleaning your filter from our youtube video learn more. Using the adjustable wrench unscrew the braided stainless steel hose from the cold side connection and remove the filter screen using the needle nose pliers. Turn the cold water off and remove the filter screen again and clean it under running water.
Close the cold and hot water ball valves on the unit. Turn the water supply on slowly again to about 1 4 way open. The solution is the same as for issue e012 that you should clean the air intake filter. These are short circuited problems which are the real serious ones that you should call for tech support.
Empty the vinegar and place the bucket under the water heater. You should visit the heater at least once every three months. You should notice that there are color coded handles underneath your. E407 e421 and e432 issues.
Cut through the cold water pipes using a hacksaw and clean the edges with emery cloth. Reinstall the filter screen. 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. Add teflon to a threaded fitting and tighten this into the adapter with a pipe wrench and pliers.
Open the water valve and let 4 to 5 gallons of water flow through the system. Remove the hose from the cold water side and screw the cap back in place. Know that a tankless water is not a set it and forget it water heater. The same you d buy at any grocery store.