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Gas furnace problem

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13 posts in this topic

Recently had my gas furnace stop running in the middle of the night after working with no problems until now.

 

Top pic is a yellow circle where I have to tap at with a screwdriver to get the furnace started again. It stays on for a few hours at a time. Only info I can get from the front part pictured is "153-0113"

 

Sounds like something's sticky and not being able to ignite on its own. Any info or help on this? Thanks SOL

6931C915-69B9-4102-B7FC-49FD10B57418.jpeg

E2E8F8E5-97B4-4286-A1DD-8D518B111179.jpeg

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8 mins ago, cheech said:

If there is a standing pilot light, the thermocouple may be bad. 

 
yup, pilot stays on and seems to be working properly

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I certainly cant tell you how to fix it but I had that and they first tried a new ignition switch which didnt work then they put in a new contral board and that did the trick

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Posted (edited) · Report post

It's a contactor. You can get a replacement at an HVAC wholesaler. But it's a gas appliance so get a pro, or at least someone with insurance, to do it for you.

Edited by jmlandru
Misspelt contactor

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12 hours ago, rdbass said:

What you have circled is call a plug in mercury flame sensor switch.

 

3098-134-3.jpg

Winner winner, this was it. Thank you!!

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13 hours ago, rdbass said:

What you have circled is call a plug in mercury flame sensor switch.

 

3098-134-3.jpg

Fancy name for a thermocouple, lol

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Posted (edited) · Report post

33 mins ago, cheech said:

Fancy name for a thermocouple, lol

Thermocouple is a little different. Both do sense a pilot. 

I would replace the flame sensor because it 'sounds' like the problem. 

If it was my  heater I would replace the valve and the sensor with a 24 volt combo gas valve and a 36'' thermocouple lead. It would also depend on the pilot assembly.

Edited by rdbass

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If the furnace is old enough to use one of those controls I would strongly suggest it be inspected for cracks in the heat exchanger. I’m not sure if they even make that control anymore.

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Went online and saw still available but price is probably 5X the last one I bought. I would still recommend an inspection of the hx

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