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Thread Number: 86238
/ Tag: Ranges, Stoves, Ovens
How to convert a vintage Tappen stove to NG from propane. |
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Post# 1107914 , Reply# 1 2/14/2021 at 06:28 (1,029 days old) by combo52  (50 Year Repair Tech Beltsville,Md) |
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Converting an older gas range from propane to NG Yes this can be done fairly easily by someone that knows what they are doing, I have done many.
For the top burners you drill out the orifices adjust the gas shutters etc. For the oven you again drill out the main orifice and make a few adjustments to the pilot etc.
I would add a NG pressure regulator to the supply connection as well.
John L. | ||
| Post# 1107921 , Reply# 2 2/14/2021 at 09:39 (1,028 days old) by sfh074 ( ) | ||
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How about ... inspectapedia.com/plumbing/Gas_C...
interesting article with lots of detail. | ||
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Post# 1107929 , Reply# 3 2/14/2021 at 10:51 (1,028 days old) by Lorainfurniture (Cleveland ) |
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Before you drill A lot of times the orifices can be unscrewed to allow more gas. | ||
| Post# 1107959 , Reply# 6 2/14/2021 at 16:19 (1,028 days old) by Good-Shepherd (New Jersey) | ||
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post some detailed photos on here Okay, thanks I'll get some photos. I watched your video for adjusting burners on the Tappen Deluxe stove. This model has the smaller clock bezel. | ||
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Post# 1107962 , Reply# 7 2/14/2021 at 16:37 (1,028 days old) by Combo52 (50 Year Repair Tech Beltsville,Md) |
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Converting an older gas range from LP to natural gas The top pilots and oven pilot don’t need any conversion you simply adjust the size of them.
Gas ranges did not generally come with a pressure regulator until the mid-60s but it’s a good idea to add it to any older gas range that’s operating on natural gas.
Gas ranges this early usually do not have adjustable orifices for the burners some might in most cases you need to drill them out when going from LP to natural.
To figure out the drill size for the burners you have to look at the nameplate on the stove and figure out how many BTUs the different burners are, most older Tappans and usually had 12,000 BTU on the front maybe 8000 on the back, the oven burner somewhere between 16 and 22,000 probably but you need to look. Included is a picture of the orifice drill kit I carry on my service van so I can quickly and accurately make these conversions, it is amazing how often I use this kit, often a newer range needs slightly more gas to get an oven to light properly. I am also getting a lot of customers that want LESS BTUs on top burners mow that many gas ranges have ridiculously large burners, so I just install the LP orifice for the offending burner that comes with all newer ranges and drill it out out to a smaller size, usually I take a 15,000 BUT burner down to 12,000 BTUs etc.
Like Eugene I do this for a business, I will try to help here and there if you post pictures etc. I’m always willing to try to answer a question, but I normally bill i at $120 an hour plus an initial service fee if we come to your home.
Keep us posted will try to help but it’s complicated sometimes.
John L.
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Post# 1157714 , Reply# 10 8/24/2022 at 06:50 (473 days old) by combo52 (50 Year Repair Tech Beltsville,Md) |
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Burner Orifice Hood | ||
| Post# 1157782 , Reply# 11 8/24/2022 at 20:17 (472 days old) by Good-Shepherd (New Jersey) | ||
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photo 3 looks too small for Natural Gas, I agree. No matter how far out the orifice is adjusted I don't see how it can meter enough NG to provide the correct BTU's. However, once the orifices are drilled out to the right size for NG then maybe they could be adjusted for use with either fuel | ||
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