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10-28-2016, 02:54 PM
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#1
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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Flame adjustment
The flame on my hot water heater smokes up the side of the trailer. I will try to adjust. Does smoke indicate too much or too little air? Do I open or close the shutter?
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10-28-2016, 02:58 PM
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#2
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Too little air. I would also check that the burner is properly located.
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10-28-2016, 04:33 PM
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#3
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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Well I think I spotted the problem. The shutter to adjust the air intake is missing, meaning it is running wide open and taking in too much air. I will call Suburban next week and see if I can get a replacement part.
Thanks
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Cedar Creek Lake, Texas
2019 Keystone Loredo 290SRL
2019 Ram 2500 4x4 Cummins crew cab
Andersen hitch
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10-28-2016, 04:43 PM
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#4
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by CedarCreekWoody
Well I think I spotted the problem. The shutter to adjust the air intake is missing, meaning it is running wide open and taking in too much air. I will call Suburban next week and see if I can get a replacement part.
Thanks
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Non of them have an adjustment for the burner, check your pressure of the regulator should be between 11.5 and 12.0... PS: stop by a propane dealer they can set it using a water column.
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10-28-2016, 06:11 PM
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#5
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Quote:
Originally Posted by Witch Doctor
Non of them have an adjustment for the burner, check your pressure of the regulator should be between 11.5 and 12.0... PS: stop by a propane dealer they can set it using a water column.
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I think they all have a sliding shutter to adjust air inlet for altitude change. The gas burner is fixed and gas pressure fixed at 11" of water column.
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10-28-2016, 06:17 PM
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#6
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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It appears it had a shutter that you turned to open or close. There is a groove that looks like it held it. I will check with a propane place or call manf.
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Cedar Creek Lake, Texas
2019 Keystone Loredo 290SRL
2019 Ram 2500 4x4 Cummins crew cab
Andersen hitch
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10-28-2016, 06:38 PM
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#7
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by CedarCreekWoody
It appears it had a shutter that you turned to open or close. There is a groove that looks like it held it. I will check with a propane place or call manf.
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There is no shutter on mine and I did hvac so i do know what to look for. Propane has to to be set at 11.5 to 12" in a a water column . Go out and
look at your unit, you will not see one,,, PS: if the pressure is not correct it causes a yellow flame tip which causes black smoke from non combustion. Also you change the flame by the orifice for different altitudes
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10-29-2016, 05:51 AM
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#8
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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There is no shutter. I thought they all had them. I will get it checked.
Thanks.
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Cedar Creek Lake, Texas
2019 Keystone Loredo 290SRL
2019 Ram 2500 4x4 Cummins crew cab
Andersen hitch
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10-29-2016, 07:43 AM
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#9
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by CedarCreekWoody
There is no shutter. I thought they all had them. I will get it checked.
Thanks.
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You are more then welcome, but get your pressure checked, all propane burners should be set at 11.5 inches in a water column the propane Company have a water gage to do it with...
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Concord
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10-29-2016, 07:46 AM
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#10
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by VinceU
I think they all have a sliding shutter to adjust air inlet for altitude change. The gas burner is fixed and gas pressure fixed at 11" of water column.
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They do not, and propane needs to be adjusted to 11.5 inches, if your going into a high altitude you will need a different orifice...
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10-29-2016, 03:20 PM
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#11
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Member
Join Date: Jun 2016
Posts: 85
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Atwood units have the shutter. Suburban does not have a shutter. To make it worse suburban has a whole replacement burner for high elevation but it is not adjustable either. Normally I see pressures in the 13" to 14" lock off. The 11.5" to 12.5" should be about where you are if you set the primary to 13" to 14". 14" is the top, it should never be set to lock off above that.
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10-30-2016, 09:20 PM
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#12
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Senior Member
Join Date: Dec 2011
Posts: 3,570
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Found multiple suppliers on line carrying retrofit burner tubes with integral shutter, probably far eastern supply. Still for the flexibility probably a good investment. Looks like original equipment and easy to install for Suburban WH
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10-31-2016, 12:48 AM
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#13
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by VinceU
Found multiple suppliers on line carrying retrofit burner tubes with integral shutter, probably far eastern supply. Still for the flexibility probably a good investment. Looks like original equipment and easy to install for Suburban WH
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Never did understand why suburban did not use burner tubes with shutters, you think it would be a no brainer..
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10-31-2016, 03:57 AM
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#14
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,695
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We have this problem pop up a lot. It can be caused by spiders making nests in the burner tube and/or dirt dobbers.
The fix may be as simple as cleaning the burner tube.
Camco builds (or used to build) a tool just for this problem.
https://www.amazon.com/Camco-09103-B.../dp/B000EDQQ9C
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2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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10-31-2016, 12:06 PM
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#15
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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Problem resolved!
At the suggestion of my propane man I removed the tube and cleaned it. It was 3/4 plugged with a dirt dobber nest! WMTire noted above this is a recurring issue. Hopefully others will see it.
I have a screen oner the air intake for the space heater. I suppose I need to see there is some type of screen for the water heater as well.
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Cedar Creek Lake, Texas
2019 Keystone Loredo 290SRL
2019 Ram 2500 4x4 Cummins crew cab
Andersen hitch
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10-31-2016, 12:11 PM
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#16
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,051
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Glad you found it and reported back.
*HERE* is one such screen for the water heater.
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10-31-2016, 12:33 PM
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#17
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by CedarCreekWoody
Problem resolved!
At the suggestion of my propane man I removed the tube and cleaned it. It was 3/4 plugged with a dirt dobber nest! WMTire noted above this is a recurring issue. Hopefully others will see it.
I have a screen oner the air intake for the space heater. I suppose I need to see there is some type of screen for the water heater as well.
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Put screen wire on the inside across the vent and also on the ac cover on top as well as the inside of the refrigerator cover vent. Instead of putting screen wire on the inside of the ac cover, I covered the entire area from the compressor to the condenser.
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10-31-2016, 12:40 PM
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#18
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,695
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Quote:
Originally Posted by CedarCreekWoody
Problem resolved!
At the suggestion of my propane man I removed the tube and cleaned it. It was 3/4 plugged with a dirt dobber nest! WMTire noted above this is a recurring issue. Hopefully others will see it.
I have a screen oner the air intake for the space heater. I suppose I need to see there is some type of screen for the water heater as well.
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Excellent, glad you got it resolved and thanks for reporting the solution. Yes, as noted in my post, this is a common problem that can happen.
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2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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11-02-2016, 11:22 AM
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#19
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Senior Member
Join Date: Apr 2016
Location: Cedar Creek Lake, TX
Posts: 3,477
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I decided to make my own screens as OldCoot did above. I used aluminium screen and metallic foil duck tape to withstand the heat.
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11-02-2016, 02:01 PM
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#20
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Senior Member
Join Date: Feb 2012
Location: Clarksville Va.
Posts: 10,422
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Quote:
Originally Posted by CedarCreekWoody
I decided to make my own screens as OldCoot did above. I used aluminium screen and metallic foil duck tape to withstand the heat.
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I can understand what you did and why, but if that's a picture of the screen you used to me it will not really keep anything out. you need alot smaller mesh. Just My opinion. You would need screen door screening. And if someone says that the same size I used they just haven't had any bugs crawl in yet.
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