Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
RV Trip Planning Discussions

Go Back   iRV2 Forums > iRV2.com COMMUNITY FORUMS > Vintage RV's
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 10-14-2022, 02:07 PM   #1
Senior Member
 
TT_Vert's Avatar
 
Join Date: May 2021
Posts: 335
For those trying to source an Hydro Flame/Atwood 79/85 gen. III burner

So I was in the unenviable position of needing a burner for my Hydro Flame/Atwood 8535-III heater. I know others will be (and have been) so I figured I'd post this up for those further me's. It worked but I wasn't going to last forever. The burner I needed was a 32811 which is NLA (No longer available). Atwoods stance is "buy a new furnace". After a ton of research, reading the service manuals, etc. I determined that there are 4 different types of burners. Of those 4 one has larger holes than the III series Only the 85 series III has the center stud w/ the deflector (See pic). The larger BTU units(31/35K) have the short deflector and the 16,20 and 25K use the long long deflector. You cannot find a burner w/ a deflector ANYWHERE. Believe me, I looked. So this leaves you with a few options.
  • Option 1 (Known to work) Pry up the folded tabs on your old burner to remove the old screen/brace, purchase PN 30268 (Formerly 36043) and do the same. Swap them, grind away the rivets and cut some of the sheet metal away from the neck of the new burner to mimic the old (See pics) and fold the tabs back over to secure the screen/support. Those tabs were really on there but it is doable.
  • Option 2. YMMV but many have said they were able to bolt this right in and it worked. They don't mention the BTU model they have so I cannot really comment on this. You could certainly try this, fire it up and check for misfire or soot out of the exhaust. if it fires up and burns clean call it a day.

It's easy enough to pull the burner out of these things (There are tons of vids if you need help) but you just open the exterior heater door, remove a wingnut, pull out the exhaust, pull 3 spade connectors, disconnect the gas and remove 4 self tapping 1/4" head screws and pull out the burner. R&R. Clean/inspect/adjust the igniter while you are in there. 1/8" gap between ground/electrode is all you need to worry about. AFAIK and from reading the service manual height from ignitor to burner is non adjustable. Mine was a good 1/2" from the burner and lights the first spark each time so don't be worried if it seems to be quite a distance from the burner.

Good luck, it's a very easy job, just make sure to check for leaks at the valve/line with some soapy water when done. It's a tapered seat so it shouldn't leak but better safe than on fire..

Dave
Attached Thumbnails
Click image for larger version

Name:	Untitled.png
Views:	9
Size:	205.6 KB
ID:	378731   Click image for larger version

Name:	IMG_20221011_154331703_HDR.jpg
Views:	10
Size:	222.8 KB
ID:	378732  

Click image for larger version

Name:	IMG_20221011_154424567.jpg
Views:	10
Size:	280.6 KB
ID:	378733   Click image for larger version

Name:	IMG_20221011_154426883.jpg
Views:	8
Size:	259.2 KB
ID:	378734  

Click image for larger version

Name:	IMG_20221011_154815832.jpg
Views:	7
Size:	228.1 KB
ID:	378735   Click image for larger version

Name:	IMG_20221013_160134017.jpg
Views:	7
Size:	248.8 KB
ID:	378736  

Click image for larger version

Name:	IMG_20221013_163038620.jpg
Views:	8
Size:	336.4 KB
ID:	378737   Click image for larger version

Name:	IMG_20221013_163628184.jpg
Views:	9
Size:	236.9 KB
ID:	378738  

Click image for larger version

Name:	IMG_20221013_160942396.jpg
Views:	8
Size:	352.2 KB
ID:	378739  
__________________
1995 Fleetwood Southwind
TT_Vert is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 10-14-2022, 02:48 PM   #2
Senior Member
 
Old-Biscuit's Avatar
 
Join Date: Nov 2015
Posts: 24,010
Nice remod and good right up
Atwood came out with new versions after the 8900 series
AFSD, AFMD & AFLD
Basically a transition between Atwood and Dometics new line of RV furnaces
DFSD, DFMD & DFLD which are not interchangeable with Atwood 79 - 89 series

Soon parts for 85/89 will be NLA


**Just like the Atwood Water Heaters and the Dometic Line
__________________
I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor & NUWA 5vr
US NAVY---USS Decatur DDG-31
Old-Biscuit is offline   Reply With Quote
Old 10-14-2022, 02:51 PM   #3
Senior Member
 
TT_Vert's Avatar
 
Join Date: May 2021
Posts: 335
Quote:
Originally Posted by Old-Biscuit View Post
Nice remod and good right up
Atwood came out with new versions after the 8900 series
AFSD, AFMD & AFLD
Basically a transition between Atwood and Dometics new line of RV furnaces
DFSD, DFMD & DFLD which are not interchangeable with Atwood 79 - 89 series

Soon parts for 85/89 will be NLA


**Just like the Atwood Water Heaters and the Dometic Line
Yep I guess it makes sense given the age of the units. You'd think they'd still manufacture cheaper consumables. I don't expect them to make burners still things like burners, sail switches, ignitors, etc. they should continue to make. Maybe China will get in on this but I doubt it.

Dave
__________________
1995 Fleetwood Southwind
TT_Vert is offline   Reply With Quote
Reply

Tags
atwood, hose



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Atwood 8535-III burner NLA, what are you guys doing to replace them? TT_Vert Class A Motorhome Discussions 12 10-13-2022 09:01 PM
Atwood Hydro Flame 8500-IV Furance speed fluculates CaiqueLady Fleetwood Owner's Forum 1 01-01-2015 11:54 AM
Atwood Hydro Flame Furnaces bobvau Class A Motorhome Discussions 2 11-21-2011 07:49 PM
Atwood Hydro Flame diggermik85 Monaco Owner's Forum 2 10-17-2011 04:45 PM
Atwood Hydro Flame heater problem Mopar1973Man Travel Trailer Discussion 1 12-10-2010 04:08 PM

» Featured Campgrounds

Reviews provided by


All times are GMT -6. The time now is 05:44 AM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2023, vBulletin Solutions, Inc.