You know how Matt Risinger feels about tankless water heater. He found a tankless water heater at the junkyard and decided we should open it up. Will it prove his point about flushing your tankless water heater in order to maintain a long life? If you have city water, you especially need to flush your tank regularly because of the minerals in the water.Unfortunately, there were no dates on the equipment, so Risinger makes some assumptions. It looks a little weathered on the outside, but on the inside, it's looking pristine.By the way, did you know that Japan is the tankless water heater capital of the world? What's the verdict? It appears to have died due to overheating. He finds what appears to be a shutoff mechanism for safety inside. But everything else inside of the unit looks impressive. Be sure to watch the whole video to see what the scale situation was like inside. He dismantles a unit similar to this one https://amzn.to/2JgVs4m . Also," be sure to check out How to Flush your Tankless https://www.youtube.com/watch?v=znuACzzav_YOr another version https://www.youtube.com/watch?v=T4FaqGod3Vut=37s