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View Full Version : Where is the flame sensor on this Lennox furnace??



Pacman
08-26-2020, 01:30 PM
Had this Lennox furnace installed last year. It's model EL296UH110XU48C-06

On my old Lennox the burners were right in front and it was easy to access the flame sensor. On this one, I can't even tell where anything is. There is nothing wrong with it, but I just want to buy a spare and have it ready to go in case the flame sensor starts causing issues as they seem to do that every few years.

https://i.imgur.com/2rkeVPa.jpg

Nufy
08-26-2020, 02:00 PM
Behind the hard pipe gas line.

XylathaneGTR
08-26-2020, 02:21 PM
totally unrelated question - how do you like the EL296? I'm looking at the same model as a possible upgrade from a Merit series as i've heard the Merit's can be a bit noisy (but tough finding reliable information).
How has it performed for you so far? Quiet? Any bullshit issues (other than sensors causing issues every few years?)

Mitsu3000gt
08-26-2020, 02:26 PM
Looks like it's in the top middle with the black zip-tied wire going to it.

Pacman
08-26-2020, 02:31 PM
totally unrelated question - how do you like the EL296? I'm looking at the same model as a possible upgrade from a Merit series as i've heard the Merit's can be a bit noisy (but tough finding reliable information).
How has it performed for you so far? Quiet? Any bullshit issues (other than sensors causing issues every few years?)

I've only had it for a year. It performed really well last winter and is very quiet. Haven't had any issues with it at all. I'm just looking to get a spare flame sensor as my last furnace used to give me problems every few years and I want to make sure I know how to do it on this one beforehand.

The_Rural_Juror
08-26-2020, 02:32 PM
Here?

93785

Pacman
08-26-2020, 02:33 PM
Looks like it's in the top middle with the black zip-tied wire going to it.

that's what I thought to. It's not it

suntan
08-26-2020, 03:04 PM
I've only had it for a year. It performed really well last winter and is very quiet. Haven't had any issues with it at all. I'm just looking to get a spare flame sensor as my last furnace used to give me problems every few years and I want to make sure I know how to do it on this one beforehand.

With the way they make furnaces these days, you have to have them in RAID1 configuration.

The_Rural_Juror
08-26-2020, 03:12 PM
Right behind here?

93786

Pacman
08-26-2020, 11:08 PM
Right behind here?

93786

I think that might be where it is. I'll take that cover off tomorrow and have a look. The penis was going for the right hole. Thanks!

The_Rural_Juror
08-26-2020, 11:37 PM
Have you ever considered that the reason why your furnace breaks so often is that you fiddle with it so much? :)

jeffh
08-28-2020, 05:39 AM
I would assume it is at the left end of the combustion box(penis/sight glass)

The_Rural_Juror
08-28-2020, 06:42 AM
I wonder what it looks like behind the penis box.