The thermostats on an electric, storage-type water heater use a ______________ _________ that will snap or pop out and away from the water-heated metal tank surface when the preset temperature is reached.
This will result in opening the switching contacts which interrupts power being applied to the resistive heating elements.
When the tank cools due to water use, the ______________ _________ will snap or pop back to the metal tank surface reapplying power to the resistive heating elements.
A) bimetallic disk; bimetallic disk
B) none of the answers
C) bimetallic disk; bimetallic disk
Show Answer
Answer:A
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