When inspecting a thermosiphon solar water heating system with potable water, what must an inspector verify about the temperature and pressure relief valve?
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AThat it is located at the lowest point in the system
BThat it discharges to a safe location according to local code requirements
CThat it is rated for at least 50 psi higher than system pressure
DThat it is made of the same material as the tank
✓ Correct answer: B. That it discharges to a safe location according to local code requirementsCode requirements specify that the T&P relief valve must discharge to an appropriate location where it won't cause property damage or create a scalding hazard to people.
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