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G2 Gas Technician Module 12 Questions And Revised Correct Answers PASSED!!
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G2 Gas Technician Module 12 Questions And Revised Correct Answers PASSED!! In series with gas valve.,What does a water flow switch do? - ANSWER : Automatic safety control (normally open). Senses water flow and switch closes What does a Pressure Control Switch (pressuretrol) do in a st...
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