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Old 06-01-2016, 09:53 PM   #1
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Default Material to clean a flame sensor

Hi i was wondering what the proper material is to clean a flame sensor? I was told to use sand paper or emery cloth then i was told by another to use steel wool because emery cloth or sand paper would just damage the sensor?
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Old 06-01-2016, 09:56 PM   #2
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On an oil burner?
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Old 06-01-2016, 09:57 PM   #3
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Furnace
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Old 06-01-2016, 10:15 PM   #4
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Emory cloth, lightly.
The Emory cloth I use is for modeling. It is super fine.
Don't touch the ignition element.
I do mine about twice a year. The furnace gives a "low gas pressure" code. I.e. Dirty sensor
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Old 06-01-2016, 10:23 PM   #5
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00 steel wool should do fine.
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Old 06-02-2016, 01:25 AM   #6
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Quote:
Originally Posted by Arcflasher View Post
Hi i was wondering what the proper material is to clean a flame sensor? I was told to use sand paper or emery cloth then i was told by another to use steel wool because emery cloth or sand paper would just damage the sensor?
Gas or oil fired burner ??

Most oil burners use photocell..

Gas burners use flame sensor ( by infread heat )

Steel wool ( very fine type ) and do it lightly and put the sensor back in correct spot otherwise if wrong spot it may not sense the flame present and can shut the gas valve pretty quick. ( about 15 seconds typically )
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Old 06-02-2016, 02:58 AM   #7
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Gas or oil fired burner ??

Most oil burners use photocell..

Gas burners use flame sensor ( by infread heat )

Steel wool ( very fine type ) and do it lightly and put the sensor back in correct spot otherwise if wrong spot it may not sense the flame present and can shut the gas valve pretty quick. ( about 15 seconds typically )
Technically a Cadmium Sulfide cell

Actually the flame rod rectifies the AC current and the DC is what is used to sense the flame not infared.
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Old 06-02-2016, 12:14 PM   #8
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Thanks. Steel wool it is. I appreciate the help
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Old 06-04-2016, 02:19 AM   #9
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What about a pencil eraser on the cad cell? Almost like the ideal flexible rubstone, but just not as abrasive.
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Old 06-04-2016, 06:41 AM   #10
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What about a pencil eraser on the cad cell? Almost like the ideal flexible rubstone, but just not as abrasive.
Dry cotton cloth to remove soot and then moist cloth to clear any residual.
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Old 06-05-2016, 09:50 AM   #11
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I use $ 1 dollar bill wors every time
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