How to clean rinnai inlet screen.
Clean filter rinnai gas heater.
Open the purge port valves by twisting them perpendicular to the position of the cold and hot valves.
You should visit the heater at least once every three months.
Never use chemical solutions of any kind.
5 steps to cleaning your rinnai tankless water heater filter learn best practices on cleaning your filter from our youtube video learn more.
The rinnai is typical.