Green Plumbing

Category - Solar Hot Water

What is the name for the temperature-sensitive resistors attached to the device that identifies the Delta T levels for turning the pump on and off?
  1. Galvanometer
  2. Transducer
  3. Variometer
  4. Thermistor
Explanation
Answer: D - A thermistor is the name for the temperature-sensitive resistors attached to the device that identifies the Delta T levels for turning the pump on and off. They are temperature-sensitive resistors and typically are installed in pairs on the tank and are connected to the device that identifies Delta T levels.
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