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Green Plumbing

Category - Solar Hot Water

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In an open-loop active system, which area of the tank has the highest Delta T?

Top of tank
Bottom of tank
Middle of tank
Nearest the water inlet

Explanation

Answer: B - The bottom of the tank has the highest Delta T in an open-loop active system. This is where the water is the coldest and is also where one of the thermistors that aids in the calculation of Delta T is located. As a result, this is the source of the water that circulates through the collectors.

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