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Convert JenAir PRG4802P to lp

I am looking for the orifices that fit on the burners to convert to lp. I have the ones for the ovens.According to Maytag these parts are no longer available. Are there other options?

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SOURCE: How do you convert the oven to lp gas on ge xl44 range

if this is a new stove need to change the pin in the regulator ,
then need to replace the stove top orifices from gas to l.p.
check under the stove for pieces they tape them under there by the regulator -- that how i found mine under my new jenn air
check the stove companies web site for a users manual also

Posted on Mar 22, 2009

  • 2 Answers

SOURCE: jenair oven valve knob

In less than 6 years of normal use, 4 burner control knobs on my Jenn-Air free standing gas range, Model JGR8875QDS, have either broken or melted.
 
If you want to continue to buy Jenn Air knobs, no problem - several suppliers will be glad to provide them for  $10-15, each (USD). Whirlpool's part number for the factory Jenn Air knobs is 74009148, and you can get them from repairclinic.com (#1035396), or PartsSelect.com (#PS2086597).

If, however, you want to try a different set of knobs, hoping to find some that are less prone to break or melt, then it gets a lot more complicated.

Jenn Air/Whirlpool will be no help; they will tell you the only knob that will work is the Jenn Air OEM knob. Parts suppliers won't help you either - no specifications or interchangeability data exists - and they are unable or unwilling to take measurements.

I can tell you the following 3 knobs will work on your Jenn Air range, model JGR8875QDS. By "work" I mean they will fit your burner controls, operate the burners just like the factory knobs, and the markings on the knobs for "Off" "Lite" and "Hi" will be in the correct positions, similar to the factory knobs. (Exception: The last knob listed has markings somewhat different than the Jenn Air knobs.)

The following knobs do NOT look like your factory knobs - all three are made from black plastic rather than the (fake) silver metal look of the (plastic) OEM knobs. What I cannot tell you is if the following knobs will be more durable than the factory knobs - but then it's hard to imagine how they could be much worse.

-------- Burner control knobs known to work on the Jenn Air JGR8875QDS gas range --------

1. Whirlpool part number 74008850, made for some Amana gas ranges, will fit the Jenn Air. RepairClinic.com calls it part #1035119, and PartsSelect.com calls Item #PS2086316; it sells for $6-7 (USD). You can see a photo by entering the appropriate part number in the search box of either of the two websites mentioned above. The Amana knob is about a quarter-inch larger in diameter than the OEM knobs, but that does not cause any problems. Of the several knobs I tried this is the only one that tells me what it's made from - "PBT" - or polybutylene terephtalate, a thermoplastic which has a melting point of 430 degrees F and a maximum utilization temperature of 330 F.

2. Whirlpool part number 74009094, made for some Maytag gas ranges will also fit the Jenn Air. RepairClinic.com calls it #1035342, and PartsSelect.com calls it #PS2086544. It sells for about $9 on both sites. You can see it here: 
www.repairclinic.com/Appliance-Parts?s=t-74009094-%3d%3d
Like the Amana knob, the Maytag knob is about a quarter-inch larger than the OEM Jenn Air knob.

3. A third knob worth considering is available from AmericanStoveParts.com for $7 each. The front of the knob looks much like their OEM Replica Burner Knob 1104-B (but don't order #1104-B - it won't fit). The knob that will fit the Jenn Air is AmericanStoveParts #1214-025-B. You will have to order it by phone or email because it is not shown on their website. (As of October 2009, none of the knobs shown on AmericanStoveParts.com will fit the Jenn Air.) 

Notice the markings on the 1214-025-B are not quite like the Jenn Air markings, with the "HI" and the "LITE" positions being reversed. Also, the 1214-025-B knob I received did not have the white dot at the "OFF" position nor the white ring around the periphery as shown in the photo of the 1104B knob. The total diameter of the the 1214-025-B is 2" - the same as the factory Jenn Air knobs.

While I don't think the front of 1214-025-B looks quite as nice as the Amana or Maytag knobs, the back of the knob appears to be much more robust than on the others. The extra plastic MAY make this one more durable. 

Posted on Nov 10, 2009

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3 Answers

New kenmore gas range 790.7433 converted to lp and oven flames are way too high and produce lots of soot...how fix?


Do the rangetop burners act OK, Brenda? It's just the oven that's causing a problem?

Go back to the oven burner, right where you installed the new orifice. That orifice should fit inside an air mixture tube, probably stainless steel, leading to the burner itself. Right where the orifice fits into it will be some means of adjusting the air mixture - a sliding window of some sort, whether flat or round. You'll need to loosen the screw holding it in place (DO NOT remove the screw, only loosen it) and turn it so the air opening is larger. Right now you're getting too "rich" a mixture, too much propane & not enough air. Before you close it all up, try the oven again - see if your adjustment worked correctly. If not, adjust it again - this is a trial-and-error process, and it's different for every different altitude and climate.

At some setting, you'll get a nice blue flame with very little orange in it. If you live in a very high humidity area, you'll have much more orange color than people who live where it's very dry, but the flame should at least be MOSTLY blue, and should never be sooty.

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If you only changed the gas regulator for use with LP (the regulator located at the connection of the gas service) then you still need to change the orifices for all burners, top and oven. Of course I assume this model can be converted for use with LP. Some models cannot. A new range that can be converted for LP typically includes the needed LP orifices. A card with the LP orifices is typically located at the gas regulator.

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Convert lp natural gas


To convert a lincoln LP gas oven to a natural gas, you actually first of all need to buy from the supplier an orifice ment for natural gas and change. The difference in the orifices could be in the size of orifice aperture.
The orifice i'm talking about is located in the burner assembly. you got to dis assemble the burner so as to get to it.
After that you need to adjust the main gas manifold when the oven is on. The adjustment must be done such that the pilot flame is not yellowish

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Yes. You need a set of natural gas orifices to replace the LP ones on the oven and all the burners too.

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I have a garland h283 i want to convert to nat gas from lp what is the orrafice diameter? I would like to drill the lp oriffice out. Also do i need new pilots?


Most gas ranges that can be converted between LP and natural gas include an orifice kit usually located by the gas connection and regulator. Some ranges cannot be converted. I doubt you will be able to find any documentation that tells you the size of the required orifices. Remember that there is an orifice for each of the surface burners as well for the oven and broiler burner(s)

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Mod jgp328wec2ww changed orifices from nat to lp. Burners not getting hot enough. It took 12 min to bring 1 qt to boiling and not rooling. how is this adjusted?


Please tell us everything you did to convert your stovetop/oven to LP? Beside swapping the natural gas orifices for LP orifices, did you also switch the appliance regulator over to LP? When you put in the orifices did you match up the proper size ones to each different size burner according to your owner's manual? They have #'s stamped on them to identify them and some are even color coded. Were you having any similar issues with your previous stove? If so, it may be a pressure problem. I can help you solve this problem with a little more information. Douglas

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Converting outdoor double side burner to LP use?


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1 Answer

Oven gas will not flow with pilot lit


There are basically two types of ranges to deal with:



those with sealed top burners, which are pretty much the standard today, and the conventional, 'non-sealed' ones.
While they operate in much the same way, their conversion is usually different. There are still a few ranges that use adjustable sealed burner orifices, but most are 'fixed' and must be individually replaced to convert each burner from one fuel to another.

(An orifice is simply a small brass fitting with a specifically sized hole very accurately drilled through it, and, if adjustable, has a provision to change the size of this hole by turning closed a threaded portion).

Either way, basically what you're doing when going from natural gas to LP is changing to a smaller orifice to allow for the higher pressure supplied by the 'bottled' gas (The available energy in each ft of gas is different too, but for our purpose here that's not important). Natural gas supplies typically run around a pressure of 5.5 inches water column, while LP runs at twice that pressure, averaging around 11 inches.

The orifice through which the gas travels to the burner must be smaller to accommodate this difference.
Adjustable orifices are simply 'snugged' down, clockwise, with a 1/2 inch open-end wrench, to convert them. Nearly all oven burners use these too - more about that in a minute.
Fixed orifices are replaced, and the good news is: the LP parts are usually included with the new range. On some brands (GE being one), the unused set is attached to a storage point on the stove, and this is a great idea. This way, they can't get lost, and if you ever want to convert back, there they are!
The not-so-good news: these little top burner orifices very often require a metric wrench to remove & install. And some can't be changed without a very slender wrench or nut driver.

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3 Answers

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Where do all orifices go on anything gas? Right there where the burner meets gas valve. The air shutter sits right in front of the orifice for proper air to gas ratio right.Go out and look at yer gas grill. Where the burners meet the gas valve ye shall find the orifice.

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In most cases the pressure regulator has to be changed or adjusted. The orfices on each burner, oven, broiler and surface burner may need to be changed also. Sometimes they can be adjusted. Sometimes the threads on the pipe are different also. This is to prevent accidental connection to the wrong fuel. The big difference is the gas pressure. LP is usually around 10 - 12 lbs and natural gas is usually around 3 lbs. Properly adjusted you will like natural gas much better than LP as it is slightly hotter. The information will be in the instruction book and also on the Jenn air web site. Whirlpool owns both Maytag and Jenn aire so check all sites. The conversion kit is usually less than $50.

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