If diagnostic testing shows particles appear only when drawing hot water, what is the most probable location of the sediment buildup?
Answer
Inside the home's water heater tank
When visible sediment issues are distinctly isolated to the hot water supply, the problem almost certainly originates within the homeowner's plumbing infrastructure rather than the municipal supply. Water heaters accumulate sediment, typically a combination of rust and mineral deposits, inside the tank over time. When the heating element activates, this settled material is agitated and stirred into suspension, leading to its appearance specifically when hot water is drawn from the tap.

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