5 steps to cleaning your rinnai tankless water heater filter learn best practices on cleaning your filter from our youtube video learn more.
Clean filter rinnai gas heater.
You should visit the heater at least once every three months.
Open the purge port valves by twisting them perpendicular to the position of the cold and hot valves.
Never use chemical solutions of any kind.
Use 4 gallons 15 1 liters of undiluted white vinegar to clean your tankless water heater.
My rinnai energysaver 556wt is flashing filter on the panel in red we always keep this clean but i took it out to answered by a verified hvac technician we use cookies to give you the best possible experience on our website.