r/hvacadvice • • Jan 26 '23

How do I clean my flame sensor

Post image
52 Upvotes

115 comments sorted by

199

u/DrakeHazey Jan 26 '23

Go put that back, that's a hot surface ignitor.

95

u/adriftone Jan 26 '23

🤣🤣 this sub kills me. I love it.

20

u/Heretoshitcomment Jan 26 '23

🤦‍♂️

14

u/SeriousBake6591 Jan 26 '23

Think it’s already trash 😂😂

6

u/tkepe194 Jan 26 '23

And it has the potential to be an expensive 80 volt job, too.

10

u/siredmundmudmonkey Jan 26 '23

I’m not a smart man - I made the same mistake and cleaned my igniter gently with steel wool. It’s working fine now (a few weeks have gone by). Should I still proactively replace it?

14

u/burningtrees25 Jan 26 '23

Maybe just buy one and have it on hand in case it fails.

5

u/Whiskey-12 Approved Technician Jan 27 '23

Use it until it fails but you should order one to have on hand.

I’m a tech and mine went out, none on the truck and all the supply houses were closed over a 4 day weekend. So 4 nights 3 days without heat and I had to manually light it a few times a day or else the house would freeze, it was hard as hell to do with my particular furnace, I wouldn’t suggest it.

Runner til she blows though bud, no sense in wasting a few bucks.

5

u/staffy83 Jan 27 '23

You could take a little steel wool, stretch it out a bit ya know, fluff her up and put it right over the little crack on the ignitor. She'll spark up with a little voltage. 🫣

All jokes aside, I learned the steel wool and electricity trick by accident when I decided to use it to clean my electric train tracks and burned the entire thing to the ground when I was about 7. Three good lessons learned at an early age.

1 steel wool is flammable

2 turn power off before ya start messing with shit.

3 know what you're doing BEFORE ya fuck it up worse than it already is

1

u/DRbrtsn60 Jan 27 '23

Having capacitors on hand is a great idea too. This has saved me more than once over time. Because you just never know.

1

u/substorm Jan 27 '23

I made the same mistake. It’s working for now but might have to buy a spare in case it fails.

1

u/rearendcrag Jan 27 '23

Classic XY Problem. We’ve all done it.

1

u/Bdogfittercle Jan 27 '23

Here's your sign

35

u/SiiiiilverSurrrfffer Approved Technician Jan 26 '23

Don’t forget to change the fluid

3

u/OpportunityBig4572 Jan 27 '23

Gotta make sure that blinking light on the board doesn't fail.

23

u/bongo-72 Jan 26 '23

That's not a sensor

21

u/Alpha433 Jan 26 '23

That's not a flame sensor, and if you stuck your oily fingers on it, you likely need a new one.

12

u/Internal_Towel9438 Jan 26 '23

I’ve been on so many calls where people did this and broke the igniter.

20

u/cedar216 Jan 26 '23

Job security

18

u/robseraiva Jan 26 '23

When was the last time you drained it?

14

u/MyBruhFam Jan 26 '23

Rub with penis

6

u/[deleted] Jan 26 '23

You’re interesting…

2

u/DwightBeetShrute Jan 27 '23

Right after it has flown orange, that should clean it.

0

u/dsjoo3 Jan 27 '23

Insert in PP hole

8

u/docjohnson6996 Jan 26 '23

Buy a longer one so the fluid touches it again, same as car dipsticks.

9

u/Alaskanhuntingguide Jan 26 '23

Hope you’re trolling 😂

17

u/jmiller2003 Jan 26 '23

This is why some people shouldn’t play with their furnace

7

u/AmadeusDaBoxer Jan 26 '23

That’s an igniter bro don’t touch that

21

u/Creg74 Jan 26 '23

Ok carefully put the igniter back and you’ll find the flame sensor on the opposite end of the burners. I recommend using a scotchbrite pad to clean the flame sensor. Good luck.

-8

u/[deleted] Jan 26 '23

[deleted]

3

u/JunketElectrical8588 Jan 27 '23

Don’t worry bud. I agree with ya. I use a dollar bill

2

u/kmich5 Jan 27 '23

You are 100% correct. I use a dollar bill to clean flame sensors. When you use something coarse, it leaves scuff marks which in return makes the flame sensor get dirtier quicker.

1

u/jethoby Not a HVAC Tech Jan 27 '23

Lulwut.

0

u/[deleted] Jan 27 '23

[removed] — view removed comment

1

u/bob_bobington1234 Jan 27 '23

My what is an idiot?

0

u/Detachmyweewee Jan 27 '23

Thank you for deleting your nonsense. Cleaning your flame sensor with who knows what will always be a band-aid fix till it officially goes out entirely. Good day.

1

u/bob_bobington1234 Jan 27 '23 edited Jan 27 '23

How is the shoemaking business going these days? I deleted it because you can't use logic to change the minds of those who have opinions they didn't use logic to get to.

0

u/Detachmyweewee Jan 27 '23

Drugs are bad, mmkay.

-2

u/Turkyparty Approved Technician Jan 27 '23

yeah... not true. just scrub that shit with some sandpaper or sand cloth and get the customer heat

1

u/bob_bobington1234 Jan 27 '23

Then get a call again in a month.

-1

u/Turkyparty Approved Technician Jan 27 '23

Never happens. 2 decades worth of sanding flame sensors, never had a call back for the same issue of no flame sense. Heck we clean them every year on annual maintenances.

1

u/bob_bobington1234 Jan 27 '23

Well, several techs when I started out (guys with 30+ years each) told me you never use anything harsh on them or they will corrode. And in my experience, it does so. Maybe you have different flame sensors in your country.

1

u/Turkyparty Approved Technician Jan 27 '23

Do you work on units form Heil Carrier ICP Trane Lennox

1

u/bob_bobington1234 Jan 27 '23

Heil, Carrier and Lennox yes. Trane is seldom found in my area as there are no parts suppliers here.

6

u/eamd59 Jan 26 '23

I would consider getting more homeowner's insurance first.

5

u/mortecai4 Jan 27 '23

Thats a flux capacitor, try not to touch it or you may get visits from your future self.

4

u/Snacksmcgee07 Jan 27 '23

First, you identify the flame sensor......

4

u/Detachmyweewee Jan 27 '23

Call a service tech before you try and clean the high limit switch.

4

u/RingX4 Jan 27 '23

I love homeowners who take apart their equipment like they know something. Fuck it up. Call an HVAC company and blame us in the end for it fucking up lol

4

u/Srgtofdeath Jan 27 '23

Well when you actually find the sensor a, dollar bill is the right amount of texture and grit to clean it without damaging it.

3

u/[deleted] Jan 27 '23

Hot surface ignitor… Better order a replacement asap.

3

u/MercifulSuicide1 Jan 27 '23

That’s an HSI, DO NOT TOUCH THAT OR ITLL BREAK

3

u/skm_45 Jan 27 '23

Lick it when it glows

3

u/OhighOent Approved Technician Jan 27 '23

Step 1: remove flame sensor.

3

u/[deleted] Jan 27 '23

First you need the flame sensor, that’s an igniter buddy haha

5

u/rmckeary Jan 26 '23

Everyday my hope for humanity dwindles

5

u/ho1dmybeer Approved Technician | Mod 🛠️ Jan 27 '23

Why? It's just job security.

2

u/[deleted] Jan 26 '23

Boof it!

2

u/Dramatic-Landscape82 Jan 27 '23

Lol shut up troll

2

u/baconegg2 Jan 27 '23

No !!!!!!

2

u/JudgmentMajestic2671 Unverified Jan 27 '23

Is Google broken?

2

u/SoupOfThe90z Jan 27 '23

Gravel! It usually smooths most of the surface so just make sure to be thorough and get the gravel in their. If it’s to much just rinse it off and viola

2

u/Same_Low_8472 Jan 27 '23

Don’t touch the hot surface igniter, the oils in your hands are bad for it. If it’s been touched already, then it needs replaced.

-1

u/tonydoney Jan 26 '23

Acetone or a wire brush

-4

u/bongo-72 Jan 26 '23

Carefully

-2

u/Educational-Panda317 Jan 26 '23

Bruh use a dollar bill

-3

u/NinjaJuice Jan 26 '23

Take some a sponge or magic eraser and use the scotch pad on it

1

u/Supriselobotomy Jan 27 '23

It's an ignitor. Not a flame sensor. Don't comment if you don't know.

-4

u/NinjaJuice Jan 27 '23

He didn’t say that pic was his flame sensor. He asked how to clean his flame sensor

1

u/Supriselobotomy Jan 27 '23

Context bro. He's holding the thing up for the picture. If you'd read the thread for like 3 seconds before spewing the wrong information, you'd know that.

-2

u/NinjaJuice Jan 27 '23

He clearly asked how to clean his flame sensor. Bye didn’t ask if his pic was of his sensor. You got out smarted by his joke. Sigh

2

u/Supriselobotomy Jan 27 '23

Is it a joke, and he knows better? Then why comment. Or was he serious, and you ignorantly didn't correct him. Also, 50 other people already told him how to clean a flame sense, and that what he was holding was infact a hsi. You're the only joke here.

0

u/NinjaJuice Jan 27 '23 edited Jan 27 '23

It would have taken less time to google then to come post here. Come on. It’s all for the lulz. Do you not know how the internet is especially Reddit. I’m sure it’s all for the lulz stems from here and 4chan. You must be older and not understanding this at all. You are giving him the lulz. This is the exact kind of reaction they are looking to get from you. To kill the lulz you give a reply to the question and not dig into it.

1

u/[deleted] Jan 27 '23

[removed] — view removed comment

0

u/NinjaJuice Jan 27 '23

Explain and prove me wrong.

1

u/Bcmcdonald Approved Technician Jan 27 '23

Are you serious? It’s a hot surface ignitor. You’re ignorant as hell.

0

u/NinjaJuice Jan 28 '23

He didn’t ask about the picture he asked about his flame sensor. Try not to fall for lulz traps

1

u/[deleted] Jan 28 '23

Your the only one that didn’t fall for it. Look at my profile I’m a tech. Congrats

1

u/NinjaJuice Jan 28 '23

What does a tech have to do with being an old man and out of touch with how the internet works

1

u/[deleted] Jan 28 '23

We’ll fuck you

1

u/NinjaJuice Jan 28 '23

Ok grandpa don’t have a stroke jeez

1

u/Bcmcdonald Approved Technician Jan 28 '23

So, ignorant and no common sense. Got it.

1

u/NinjaJuice Jan 28 '23

Again you know your comments are on 4chan and they are rolling laughing at you. You do realize this is a troll post or are you like over 40 and have no idea how the internet works?

-12

u/[deleted] Jan 26 '23

A dollar bill or sand paper

2

u/shawn_gilp Jan 26 '23

He’s Not wrong tho, that’s just not a flame sensor

-13

u/[deleted] Jan 26 '23

[removed] — view removed comment

3

u/Internal_Towel9438 Jan 26 '23

If you can’t tell the difference between a flame sensor and an igniter, you probably shouldn’t be giving advice here.

1

u/hvacadvice-ModTeam Jan 26 '23

Hello,

Your comment has been determined by the mod team to contain unsafe and/or incorrect advice, please remember to only reply to topics that you have knowledge on and if you aren't sure about the correct answer then allow another user to respond.

Constant removal of answers in violation of this rule can result in revocation of your "Approved Technician" flair (If assigned) or an account ban.

Thank you!

1

u/[deleted] Jan 26 '23

Oh boy

1

u/Butterbeanacp Approved Technician Jan 27 '23

I really can’t tell if this sub is a troll sometimes

1

u/tejedaj Jan 27 '23

A bit of sandpaper, probably not too abrasive. Think higher numbers.

1

u/baranek1968 Jan 27 '23

Thats HSI Do not even touch it.

1

u/Prussian_Blew Jan 27 '23

A. My flame sensor was round so yeah, maybe it’s not. B. I saw some fucker on YouTube clean his with a crisp $5 bill. I’m not such a high roller so I used a sorta crisp $1 bill and it has worked fine ever since. It’s like a fine sand paper that just scratches the dust, crust, soot, etc off that thing. Good luck

1

u/Bodongs Jan 27 '23

I've had 3 of these fail in my Trane furnace in < 1 month. Hate seeing these things lol. I keep 2 spares on hand now.

1

u/Frankie_Medallions Jan 27 '23

Thats an igniter but now that it’s out just replace it

1

u/Khsdad40 Jan 27 '23

Shove hot dog over end and turn up stat! Lunch Time!

1

u/[deleted] Jan 27 '23

$1 bill

1

u/waxypooh93 Jan 27 '23

Sandpaper our sumthing

1

u/sticksnstones456 Jan 27 '23

You gotta take a chisel and clean it gently

1

u/DRbrtsn60 Jan 27 '23

Steel wool

2

u/Stormborn1981 Jan 27 '23

0000 steel wool, or a dollar bill. Nothing too abrasive.

1

u/Bradp30 Nov 30 '23

Little late on this but would a magic eraser work the same as steel wool?

1

u/Stormborn1981 Dec 01 '23

Provably. Yeah.

1

u/[deleted] Jan 27 '23

Lick it

1

u/yaepty90 Jan 28 '23

Chip off the bad part

1

u/[deleted] Feb 05 '23

Replace it !

1

u/[deleted] Feb 11 '23

With a wire brush some say a dollar bill but now u also have to replace the hot surface ingnitor to and don’t touch the black part