How to do a Rinnai Service or also called Flushing

How to do a Rinnai Service or also called Flushing

Flushing your tankless system, we recommend Rinnai Fill the bucket half way of hot water, then add vinegar Turn off Rinnai (the power button) Turn cold (Blue side) main shut off (the larger valves) on Rinnai to off Run a hot water tap for 10 seconds and shut off Close...