Thread Number: 58740  /  Tag: Ranges, Stoves, Ovens
The Wonder Oven is working!
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Post# 813041   3/9/2015 at 12:37 (3,307 days old) by chaik76 (Pa)        

I posted before about purchasing a Frigidaire RS-50, and some forum members (thanks norgeway!) gave us advice on how to get the wonder oven working again. My husband sanded down the connectors and rewired the elements so that it works, and the broiler is up and running. I have yet to try to make it into the double wonder oven...I'm going to find a nice 1950s meal that requires me to make multiple things at multiple temperatures for that one! Thanks everyone!




Post# 813043 , Reply# 1   3/9/2015 at 12:59 (3,307 days old) by chaik76 (Pa)        
Thermizer

While I'm thinking about it...does anyone know what type of thrift cooker was used in the 1953 Frigidaire? I'm having trouble finding a picture of exactly what type (or size) was used. The owner I bought this from says she still has the thermizer, but it's somewhere in her barn. I'm not sure whether I'll end up getting it at some point or not.


Post# 813166 , Reply# 2   3/9/2015 at 23:32 (3,306 days old) by Kenmore71 (Minneapolis, MN)        

kenmore71's profile picture

The 1953 "RS" series Frigidaires used a 1200 watt thermizer unit.

 

The RS-40, RS-50, RS-60 & RS-70 all had the Thermizer feature. All but the RS-40 featured the "Thriftomatic" switch.

 

Here's a scan of the technical info for the 1953 ranges: 


Post# 813512 , Reply# 3   3/11/2015 at 22:00 (3,304 days old) by chaik76 (Pa)        

Thank you so much for that information!

Post# 814819 , Reply# 4   3/19/2015 at 19:34 (3,296 days old) by mom11 (Dundee, MI)        
Can we peek??

I'd love to see pictures of your wonder oven. I may have missed them if they were posted before. I just love oogling all the sweet vintage cookage.

Post# 865133 , Reply# 5   2/2/2016 at 01:19 (2,977 days old) by Sumbuddy ()        
Wonder Oven Repair

Chalk76, you mentioned that someone had posted Wonder Oven cleaning/restoring information. I have an old RS-60, 1953 I think, that needs some of that loving care. I would like to find out information you got, if possible. Thanks

Post# 865167 , Reply# 6   2/2/2016 at 09:33 (2,977 days old) by Tomturbomatic (Beltsville, MD)        

What you would be looking for is a 6 quart aluminum kettle, deeper than it is wide. The handles for Thermizer pans were generally molded into the top rim of the pan. The lid will have a small diameter vent hole in it. The sides of the kettle with have ridges at three heights and at three positions like 12, 4 & 8. They were for using the rack when preparing one pan meals in the Thermizer Generally, the meat and vegetables went into the pan and, depending on what kind of dessert was being prepared, at some point before the cooking time was up, the heat was turned back to high, the cover was removed, the rack was put into the pan and locked into place and the round pudding/cake pan was set on it. The lid was replaced and as soon as steam was visibly streaming from the vent hole, the heat was lowered to the previous level. By keeping the steam actively moving, flavors did not mingle.

Most any brand of deepwell kettle will work in your stove. If you go on eBay and search for a deepwell kettle, you will find, among the hits for wells and deep pizza pans, someone usually is offering what you are looking for. The tended to have flattish lids so that they were not too much of a hindrance when it came to space to rest a pan on a crowded range top.


Post# 865208 , Reply# 7   2/2/2016 at 14:24 (2,977 days old) by norgeway (mocksville n c )        
Also

A Mirro Matic pressure cooker was offered for a few years and will fit any Frigidaire Deep Well.


Post# 865287 , Reply# 8   2/3/2016 at 00:43 (2,976 days old) by MattL (Flushing, MI)        

I've been looking for that pressure cooker for years on ebay.  IIR might have come across one years ago but the price was $$$ way too high for me.  Like to have one, not that I'd use it much, but it'd be a cool addition to my Frigidaire range.


Post# 865341 , Reply# 9   2/3/2016 at 13:27 (2,976 days old) by Tomturbomatic (Beltsville, MD)        

I'm going to have to check and see if the Presto and the GE deepwell pressure cookers fit the Frigidaire, but my Thermizer well has a real live 8 inch two position Radiantube element lurking in its depths. "Warning Will Robinson. Danger." I loved those arms flapping around. They looked like plastic dryer venting.

Post# 866975 , Reply# 10   2/13/2016 at 10:46 (2,966 days old) by Daisy58 ()        
Thermizer burner

Hello everybody, new to the site.
If my subject is not in the good category, please tell me !
So my question is: The burner underneat my Thermizer does not heat very much, we had it tested and it's ok. My control button has the timer on it. Could it be the problem, looks like it's on "LOW" all the time.There's three holes to connect the wires ( blue, black and red) but I have only a red and a white connected.
Anyone can help?


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Post# 867005 , Reply# 11   2/13/2016 at 15:18 (2,966 days old) by Tomturbomatic (Beltsville, MD)        

The element should glow red on high. If it does not, you need to check the switch, the element and the wiring.

Post# 867230 , Reply# 12   2/15/2016 at 00:11 (2,964 days old) by PhilR (Quebec Canada)        

philr's profile picture

Since you're in Canada, I assume your range is a 1951 RO-60C?

 

First, is the burner in your picture #3 the one that's on your range or is it a spare? Can you see the wattage stamped on it. It should be 1600W for the 1957-59 models.

 

The original burner didn't have a black Bakelite connector, it had a white porcelain connector with screws. The correct type for your range should be 1200 watts, they switched to 1600 watts in 1955 (still with the same style white porcelain connector for 1955-56. 

 

If you use it as a normal burner in the upper position, it should be slower and not as bright as all others on the "high" position, or a bit hotter/brighter than the right front burner when it's set on Med-Hi.

 

Your burner should be wired to black blue and red wires just like the later one on your picture. There should also be a green safety ground wire attached to the connector.  

 

Since you say it has only two wires connected to it, there must be something incorrect in the wiring. It should have 3 wires in addition to the green ground wire and among them, no white wire. Even the last 1958-59 deep well burners which were linked to infinite switches still had 3 terminals.

 

Here is a picture the wiring diagram for your range (It's the US version without all the fuses, we didn't have specific Canadian Tech Talk manuals but you might have a wiring diagram printed at the back of your range). If you need a clearer picture, let me know, I could email it to you.

 

The second picture shows the specifications for the 1951 RO series (there were later RO-2 models which were similar but the RO-60-2 had different surface unit knobs).

 

The third picture shows the wattages of the surface units and the thermizer on the different positions. The position marked with an asterisk (med-low) isn't there on the RO-60 so this burner has 4 heat settings.

 

The last pictures explains how to test the different switch positions with a 250V test lamp connected to the wires instead of the burner. Since your range has been rewired and one is missing, you'll have to find what has been done (and probably why!).

 

Even with the Thermizer working correctly, it won't glow as red as other burners and on "High" it will should be just a bit brighter than the right front 8" burner on "Med High" setting. 

 

If you have more questions about the correct part numbers or need more information from the manual, I can try to find it for you. Your 1600 watt burner might work if you rewire it as it should but I can't tell if the switch will handle the extra wattage. 


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