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Rick, General Contractor
Category: Home Improvement
Satisfied Customers: 21346
Experience:  Licensed construction supervisor with 35+ yrs. experience.
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My gas fireplace stops after a couple of minutes pilot and

Customer Question

my gas fireplace stops after a couple of minutes pilot and flame go out
JA: Just to clarify, what type of fireplace is this?
Customer: desa
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: i changed thermo couple
Submitted: 6 months ago.
Category: Home Improvement
Expert:  Rick replied 6 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. First I’ll need some more info so I have a more complete picture of you situation.

What is the brand and model number of your unit?

Customer: replied 6 months ago.
Dea not sure on model number
Customer: replied 6 months ago.
No f**k this you keep asking for more money
Expert:  Rick replied 6 months ago.

I have no control over what prompts the site generates. Do you want ot continue?

Customer: replied 6 months ago.
what is the issue
Expert:  Rick replied 6 months ago.

Ok, there are 2 likely possibilities. One is that you have an overtemp sensor that is shutting the unit down. This is not very likely since few gas fireplaces have one. The other is that a stray main burner flame is impinging/heating up the lower half of the thermopile/thermocouple. The thermo has to maintain a temp difference (the cold junction) between the tip and the base. If it losses the cold junction the small current it generates stops and everything shuts down.

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