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Originally Posted by ithos
I concur with some of your thoughts but a professional company would ensure that the prescribed PMs would be able to be performed. In some cases a warranty may not be honored if the recommened PM schedule was not adhered to.
Maybe a uncontrolled leak near an interior wall doesn't concern you but it does me.
As far as the rest is concerned, best let the professionals explain it.
Benefits Of Flushing Your Water Heater | First Choice Plumbing
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Thanks for your comments. I would just add that my water heater is not located near an interior wall. One side is adjacent to the garage door and the other side is adjacent to the exterior wall to the front porch. A leak would not cause any damage to the interior of the house. I would also take issue with anyone who claims that they can "flush" out the sediment through the drain valve. The drain valve only has about a quarter inch or less of free area for water to flow through, and much of the sediment will be clumped together inside of the tank. If the manufacturer intended for the tank to be flushed, they would need to provide a much larger valve for flushing. You can drain the tank, but you cannot flush it out. I don't think that the typical homeowner does any maintenance on their water heater. This makes sense to me because the water heater will last at least 10 years with no maintenence, and it is one of the least expensive appliances in your house, about the same cost as a microwave oven.