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12-14-2011, 05:54 AM #1
Tricks for cleaning flame sensors on high eff. furnaces
hey everybody! So I am wondering if anyone has any good tricks to get at some of these flame sensors on the high efficency equip? IE: bryant 90+ models or the Lennox model with the rubber Tee for the venting that s in the way?
12-14-2011, 06:01 AM #2
There has got to be an easy way to clean these things! i have a flex shaft and a small right angle driver attachment that helps but it can still be a pain! Whoot! 15 posts!!
12-14-2011, 06:53 AM #3Professional Member
- Join Date
- Oct 2011
On the lennox units I found for me it is best the take out the rubber tee and use a socket but others may disagree
12-14-2011, 07:40 AM #4
For the Carrier and Bryant, I bought a PVC cutter that cuts 2" pipe. I carry a bunch of 2" couplings, and cut the intake for better access.
Sometimes you have to take the gas line apart, too. I hate that furnace!Jason
12-14-2011, 10:22 PM #5
this is our mfr, so we see a lot of these.
we always b!tch out the rep when they bring out the new units like this.
easiest is as stated, remove boot and sometimes gas line.
come across a couple of the Carriers, one left and one right vented. the right vented was okay, but the left vented was next to impossible. also, the downflows are not fun either. one on our maintenance program and I have skipped doing FS on it, luckily others have come in between my visits. hope they did it.If Guns Kill People, Do Pencils Misspell Words?
12-15-2011, 12:25 AM #6
Ha! try replacing the ignitor when the intake is on the right side!
12-15-2011, 02:24 PM #7
12-15-2011, 02:31 PM #8
On the Bryant/carriers I try to either remove the screw and move the intake or I just use a flashlight and either the Milwaukee right angle driver attachment or a flexshaft attachment and a lot of patience!! wish they would design these things with some mind to service too!
12-16-2011, 04:45 PM #9Professional Member*
- Join Date
- May 2011
- Ripley, WV
12-16-2011, 05:57 PM #10
12-16-2011, 08:48 PM #11
Carrier / Bryant sucks. Engineers have no idea what service guy's have to go thru. 40,000 btu you have to pull intake. Love when the installers silycone fitting.There is no bad beer, some just taste better than others.
12-16-2011, 09:06 PM #12
Someone told me once, and I would like someone to back up the claim, that Bryant over-engineered the flame sensors so that they expand when heated and will self clean. Since I don't have any concrete answer to this I keep cleaning them. I would LOVE for him to be right though!
12-16-2011, 09:18 PM #13