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I noticed that the fan was running continuously and only
I noticed that the fan was running continuously and only providing cold air. LED flashed code 33. Checked and replaced filter. It still looked fine. No help. We've been out of the house for about 36 h… read more
airheatman
airheatman
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6 years college
7,990 satisfied customers
My furnace is not heating. The diag is saying primary limit
My furnace is not heating. The diag is saying pri***** *****mit open … read more
airheatman
airheatman
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My furnace would not ignite. I have Lennox G40 UH (X) Iam
Hi! My furnace would not ignite JA: Did you check the furnace's filters? Customer: I have Lennox G40 UH (X) JA: Do you plan on doing the work yourself? Customer: Yes, iam doing myself JA: Anything els… read more
airheatman
airheatman
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Carrier Weathermaker 9200 is showing 1 short light and 3
Carrier Weathermaker 9200 is showing 1 short light and 3 long ones … read more
airheatman
airheatman
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Furnace is flashing #33. Furnace will not kick on but fan is
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airheatman
airheatman
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It is blinking 3 times, it says the limit switch is open,
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airheatman
airheatman
Heating & Air Conditioning Contractor
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I have an American Standard Freedom 80 gas furnace. The
Hello, I have an American Standard Freedom 80 gas furnace. The flame sensor appears to be off – I replaced it last year. Now, the unit runs normally (both in heating mode and waiting mode), however, t… read more
airheatman
airheatman
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I am testing it now. One moment please. I just noticed it.
The burners ignite and heat up then go off. There is a small fan that is running, but not the blowers … read more
airheatman
airheatman
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My furnace is not blowing out hot air, I'm trying to trouble
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airheatman
airheatman
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We have a Comfortmaker furnace Model G9MXE0801716A installed
We have a Comfortmaker furnace Model G9MXE0801716A installed new in May 2015. The furnace keeps shutting off intermittently (mostly during the night when the temperature drops) with Error codes 4 and … read more
airheatman
airheatman
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I have a trane furnace that suddenly isn't blowing hot air.
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You helped me with my furnace on January 7th in a thread
Hi,You helped me with my furnace on January 7th in a thread with this question:I have an International Comfort Products N9MSE (A Series) Furnace. I also have central air. I have connected an Ecobee3 t… read more
Brian HVAC Guy
Brian HVAC Guy
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airheatman
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My furnace ignites of minutes and then shuts off, i just
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Rick
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have a nordyne gl1ra090c-16b vent fan comes on, burner comes,
have a nordyne gl1ra090c-16b vent fan comes on, burner comes, when blower come s on burner turns off ????… read more
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I have a Nordyne manufactured furnace sold under the Frifidaire
I have a Nordyne manufactured furnace sold under the Frifidaire brand that was installed 3 years ago. The furnace model is FG7TC120-VD and the serial number is XXXXX The furnace has operated properly … read more
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My gas furnace has been intermittently stopping. Several times
My gas furnace has been intermittently stopping. Several times the last few days we would wake up to very cold because furnace wasn't running. When we turn thermostat off and on, it comes on immediate… read more
Matthew
Matthew
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Bachelor's Degree
2,014 satisfied customers
my furnace isnt working right it was just blowing cold air
my furnace isnt working right it was just blowing cold air last night when i turned it off waited 5mins and turned it on it would work for a little bit but then the warm air turned cold again today th… read more
Matthew
Matthew
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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