Quote:
Originally Posted by retiredguy123
It is difficult to determine how much sediment you can remove by opening the drain valve. But, it seems to me that you will get a similar flushing action by just turning on the hot water faucets full blast in your house, especially near the water tank. The hot water pipe existing the water heater is actually larger than the drain valve. If you really want to flush out the tank, you need a larger drain valve.
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I do believe cold water enters the tank through a pipe that extends almost to the bottom and hot water is taken out near the top of the tank. Hot water, after all, rises. So you should expect to get no sediment out from the hot water faucets in your home.