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    mbrown59's Avatar
    mbrown59 Posts: 6, Reputation: 1
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    #1

    Mar 27, 2012, 10:35 AM
    What is the purpose of a thermocouple
    What is the purpose of the thermocupler
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Mar 27, 2012, 09:26 PM
    A thermocouple is a device made of dissimilar metals that generate a current when heated. They are most commonly found in gas control safety devices and allow the gas valve to stay open. If the pilot goes out,the gas valve will shut. They are Aldo used in temperature measurement devices.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
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    #3

    Mar 28, 2012, 10:28 AM
    It opens the gas valve just enough to allow gas to feed the pilot light
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