Search: Posts Made By: SeattlePioneer
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11-23-16, 01:48 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

https://www.youtube.com/watch?v=GLCqi2-Ywmk ...

https://www.youtube.com/watch?v=GLCqi2-Ywmk


Here's a u tube video showing how a manometer is used to diagnose furnace air flow problems.


There are lots of videos and explanations of how...
11-23-16, 01:42 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

<<I have had two HVAC repairmen come by and one...

<<I have had two HVAC repairmen come by and one suggested to replace the blower motor and another suggested to replace the whole furnace. >>


These were non repair repairman.


You need a...
11-23-16, 01:30 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

https://www.youtube.com/watch?v=GLCqi2-Ywmk ...

https://www.youtube.com/watch?v=GLCqi2-Ywmk

Here's a u tube video on checking static air pressure.

It's really the scientific way to check out the operation of the ductwork, filter, fan and...
11-23-16, 01:19 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

I'd examine the fan wheel blades to see if they...

I'd examine the fan wheel blades to see if they are plugged with dust and dirt. Check for missing or damaged fan blade. Verify that the motor is turning fan in the proper direction.

Fans can...
11-22-16, 02:17 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

<<Looking at my furnace specifications, the...

<<Looking at my furnace specifications, the maximum outlet air temperature is 170F but my limit switch is a 150F switch. Is this the cause of the problem? >>


Interesting question. I looked...
11-18-16, 11:11 AM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

I repeat my diagnosis and advice: Very...

I repeat my diagnosis and advice:

Very likely, something is restricting the air flow through the furnace which strips away the heat produced by the burners. wITH REDUCED AIR FLOW, THE FURNACE...
11-17-16, 11:40 AM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

I'm glad you solved that mystery! Unfortunately,...

I'm glad you solved that mystery! Unfortunately, you can encounter almost anything out there is "the field"!

<<Correct model number gm8s115c20uh11b >>


I was lazy.


I looked up the...
11-17-16, 11:30 AM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

If you have the model number correct and your...

If you have the model number correct and your description of the way the furnace is installed is correct, the furnace is installed upside down and that could easily cause the furnace to operate...
11-15-16, 03:48 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

https://www.hamiltonhomeproducts.com/vb/Repository...

https://www.hamiltonhomeproducts.com/vb/Repository/InstallationManuals_PartsLists/80AFUE%20Furnaces%202/GM8S-DNFLW/GM8S-DN-Parts.pdf


The specifications above list your furnace for use as a...
11-14-16, 06:10 PM
Replies: 40
Views: 17,163
Posted By SeattlePioneer

<<So after all that, the question. I am guessing...

<<So after all that, the question. I am guessing the furnace should not be hitting the limit switch to cycle the burners off so why is it doing that in the first place.>>


That's right, the...
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