During inspection of a solar storage tank, what should be verified about the thermal expansion tank?

During inspection of a solar storage tank

Multiple choice — select the best answer

AThat it is filled with the same heat transfer fluid as the solar loop
BThat it is properly sized and pre-charged to match incoming water pressure
CThat it is installed on the hot water outlet of the tank
DThat it is painted to match the tank color

✓ Correct answer: B. That it is properly sized and pre-charged to match incoming water pressure Thermal 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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During inspection of a solar storage tank, what should be verified about the thermal expansion tank?

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