During inspection of a solar storage tank, what should be verified about the thermal expansion tank?
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AThat it is installed on the hot water outlet of the tank
BThat it is properly sized and pre-charged to match incoming water pressure
CThat it is painted to match the tank color
DThat it is filled with the same heat transfer fluid as the solar loop
✓ Correct answer: B. That it is properly sized and pre-charged to match incoming water pressureThermal expansion tanks must be properly sized for the system volume and pre-charged to match the incoming water pressure to prevent pressure buildup when water is heated.
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