Gas furnace flame sensor


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Old 11-21-14, 08:49 AM
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Gas furnace flame sensor

I need to replace the flam sensor on my furnace. After looking at the sensor there is no numbers on this sensor anywhere. How do i any what type of flame sensor i need? are they universal?
 
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Old 11-21-14, 09:05 AM
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To better assist, please post the model number of your furnace. The model number should be listed on a plate or label inside the compartment where the burners are.
 
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Old 11-21-14, 02:56 PM
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ok i found the type and model number. It is a Payne Furnace Model PG8MAA036070ACJA. I am looking online for parts but it seems as alot of places replacement and not oem. Is there anywhere i could get oem or the next best thing? the only place i can find all the parts i need is at repairclinic.com.

Any help or suggestions would be great.
Thanks.
 
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Old 11-21-14, 04:08 PM
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The original part number is LH33WZ515. The specified oem replacement part number is LH680014.

Here is a link to two sources: http://budgethvacparts.com/index.php...-lh680014.html

http://www.supplyhouse.com/Carrier-L...FcSJaQodtWYAJA

The wire attached to the flame sensor shown in the photos on various web-sites is removable.
 
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Old 11-21-14, 04:10 PM
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It's extremely rare that a flame sensor rod needs to be replaced unless it was physically broken. The existing rod can be taken out and lightly sanded or polished to a bright shine and then put back in to service.

The rod is just a piece of metal..... nothing more.
 

Last edited by PJmax; 11-21-14 at 09:58 PM. Reason: typo
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Old 11-21-14, 05:50 PM
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Why do you want to replace the flame sensor?

The symptom that would suggest that the flame sensor needs cleaning is:


Hot surface ignitor heats up.

Main burner gas switches on and main burners light off hot surface ignitor

Main burners shut off after about three seconds and ignition sequence begins again.

But as PJ Max says, there is very little reason to replace the flame sensor unless it's been physically damaged.

What most people need to do is clean the coating of invisible oxides off the flame sensor and it will work again just fine.
 
 

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