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Old 10-12-2019, 09:28 AM   #1
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Join Date: Nov 2016
Posts: 7
Suburban oven problems

I have had such a hard time posting this from my iPad so I hope this goes through OK.

We have a 2018 Microlite 25 BHS. I stayed on this forum after we lost our 2017 FR 2504S in an accident because they are identical (and we couldnít get a FR in time for camping season).

This morning, my oven scared me. Rather than a small blue pilot light flame that moves to a bar that heats the oven (also a blue flame), the pilot light flame was large, had yellow, and expanded beyond the bar (and even behind the pilot light), in blue and yellow.

Iíve attached photos. Does anyone know what this is? We are camping this weekend and using our furnace and hot water heater. I think that itís just an oven problem because the gas burners work fine.

Does anyone know what this is? Is it safe if I donít use the oven? Many thanks.
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Morning Star is offline   Reply With Quote
Old 10-12-2019, 03:34 PM   #2
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Join Date: Jul 2017
Location: North of Seattle, WA
Posts: 5,191
It looks like someone did a DIY fix for an earlier problem with the pilot light going out after oven reached full temp and main flame went down to low.

That flame could be giving off excessive CO but one thing certain, if not it will still leave a lot of carbon on the pieces above ti.

I had the earlier problem and merely ordered the updated part from a Suburban Dealer (Call the Suburban Customer Service Number for location of one near you). Replacing the pilot assembly was inexpensive and easy. Pilot assy was around $12-$13 and shipping brought the cost up to ~$20.

The new pilot assy worked great and flame is just the right size as well as "Blue".

If you want to experiment with the assy you have try this:

Remove pilot assy and enlarge air bleed hole on pilot body using "Number sized" drills. Find one that just fits the existing hole and open it up to the next larger number size drilll. Reinstall and see what flame looks like.

Repeat, going up only one number drill size at a time until you have JUST eliminated the yellow at the top of the flame.

Downside to this method is that it's a lot of work and you may end up with too large a pllot flame to leave on. Could make oven too warm when not in use and waste propane. OK if you don't mind turning on pilot and lighting it just before baking and turning it off when done.
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