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Dude, its 2am now. I lost my job last month, and finally start a new one tomorrow. My power went out at 11:30pm, another yank on the n00se getting tighter so to speak. Power came back at 12am-ish, and I've been messing with my furnace trying to figure out why its messed up after getting the open limit switch code. Your video literally gave me the knowledge and location to find the switch and press the manual thingy on it after almost 2 hours of searching. I now at 2am have heat and my house is warming back up from 50 something Fahrenheit. God bless you and your family, past, present, and future. May Jesus bless your works and your health and life. Thank you for making this video. Know that you helped someone in desperate need tonight through your knowledge, expertise, and willingness to share it online. You saved me having to sleep in freezing cold after almost giving up on the furnace and giving in to despair. Thanks to you I get to sleep warm tonight and start my new job tomorrow with one less worry on the plate. For that no words can really express my gratitude. But this I figure is the closest I can get. Thank you.

Hey bud have you done work on MGHA-075AAFC-01 furnace?

Good afternoon Sir, I was wondering if most of this info the same for a MGHA-075AAFC-05 mobile home furnace with a pilot light.

thank you 4 video

Sent you a message per your YT link for ‘91 mfg HVAC DIY parts and servicing in S. California…will call you asap !

Where do you get parts for mobile homes? I've got some things I'd like to fix in mine, but its hard to find bits and bobs.

What does code 12 mean on that furnace,I know it's a inducer relay error but what fixes it

Where do you get the push fittings you mention in this video?

I have that same system , is there a ajustment for the burner ? i think mine may need a tweeking .

Thats just like my furnace, witch i am having a issue with eather the inducer motor or the pressure switch . Work's on and off i think the inducer motor is sticking or is so dusty that its not pusching enough air to trip the pressure switch.

How I know the gas line is open ?

Going to try using this video for reference to replace my thermocoupler. I have something similar, will need to check model number, but the set up looks the same. However I don’t have an on and off switch. What do you suggest I do? Should I cut all power off from circuit breaker panel?

When I was a child & had to light the gas oven, I turned on gas & placed the match inside. I had my face too close as when it lit, a flash came out & I lost my eyelashes & eyebrow hair. To this day, I have a fear of the same thing happening.

This is excellent! Very informative and detailed explanation. Thank you!

Thank you so very much. Not even with factory instructions was as easy as this. So appreciate it!!

hi, I have a question, my furnance is stop working after I replace the air vent cap on the roof. I just buy a regular air vent cap in home depot. I'm not sure if this kind of furnance require a special air vent cap or not.

Been under my mobile home almost weekly to repair the old grey pipe. I have bought a ton of shark bite fittings over the last 4 years. It would have been cheaper to replace it all I think. I have to get under there today too.

Thanks for the help Randy!!

What brand heat tape you like the best?

Thanks. Appreciate the follow up.

Mine is a rapid flash and says internal control fault

Just fyi, I was quoted $2,000 for this….

Any other type of fixtures you can replace this with?

You're supposed to put your screws in the slotted holes to allow for expansion, and not tighten them for the same reason. Your work will self destruct if you are where temperatures have a lot of differential, which is almost everywhere. You'll be okay in a climate like southern California.

If you can turn the shaft that blowers coming right off

Thanks you saved me. I had undone the 3 screws including the awkward one but it wouldn't come off. I didn't want to force it just in case I needed to slide it in some direction to unlock it. Your description gave me the confidence to just pull it off. It was glued with silicone. Fantastic job. Thank you so much!

So, say you are replacing that 14" fiberglass seal. How do you get it to stay where it needs to without the seal being broken/tore?

I was always told not to use emory cloth for cleaning the flame sensor but to use something similar in texture to a dollar bill.

Make sure you re lubricate the draft inducer motor as it tends to run noisy when dry. It’s a little ac motor w two fans at each end of it. It’s contained in the black plastic tube you see on this video! 3 and 1 oil works best. Lubricate the bearings at each end of the motor. It’s located behind the small fans. It’s a little tricky but doable. Your ears will thank you. 🙏 😅

It looks like it could be easy. I'm just afraid of it blowing up in my face and night-night!

Thank you man. 🙏🏻 I’m attempting this my first time on a 2017 model, smh. They don’t make them well at all anymore lol!

I replaced flame sensor igniter and the chamber ignites but runs but my blower won’t come on. The red light slowly flashes continuously.

Thank you! I was having the hardest time figuring out where the piolet actually was in there!

I'm looking to revamp my kitchen sink area, water and the drains. Need to up grade every thing and insulate.

Omg thank you so much it was a spider nest just like you said in your video

Hi Randy, I have checked for blockages , checked igniter and checked the venting for blockage all 3 are fine. What else could it be for lockout due to failed ignition? Thank you for the videos

Thank you! This video was most helpful. You saved me $75 to have a furnace guy come and take two mins to do. I am subscribed!

Thank you for this video. I just finished replacing my inducer motor and everything works great now. I'll keep the old one as a spare and see if I can do some maintenance on it.

I was trying to help troubleshoot a friends furnace last night. Had flame, blower on, but no heat, solid red light on control board. I do remember not having continuity on igniter(other video called this flame sensor), but wasn't sure if closed when it warmed or something. I think this is the fix though. Going to buy one and swap it. Thanks for the video! *Edited to say I got it fixed! Lol, it wasn't the ignitor. It was actually a spider web in the orifice, exactly like in your other video. I wouldn't have known to check that if I hadn't been looking through your videos. Thanks again man.

Heck ya, I actually didn't know shark bites were the same as quick connect for air lines. I've done this for air lines that didn't want to release, but thought shark bites were more permanent somehow, lol. Thanks!

looks fairly lightweight.

Where do i buy the parts? Web page?

Do i have to close the gas valve for doin this ?

Great vid.

please help...are there window screens for these windows?

Thank you for the video! Laminate flooring for the window trim is a great idea! I am searching for how I do the outside of the window. We will be replacing siding after we replace windows. Should I need to cut back any of the old siding? I don't even know where to start. lol

I cleaned my still won't light

Hello Randy, can you put the link where you buy the polybutylene white tube liners by Watts 1/2 inch. I cannot locate them anywhere? Tia…

Thank you so much, very easy instructions man! Also love the fact you gave us those 2 options on the different type of levers/furnaces...I saved this video just incase I ever have trouble lighting my pilot, thanks again!

How do I start this type of furnace for the first time?