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OfflineLevster
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Which All American Cooker is this?!
    #28670497 - 02/21/24 09:38 PM (4 months, 3 days ago)

The sticker says model 941. But I know for a fact the 941 is the 41qt canner that has the bobble head, this is clearly a sterilizer. This right here is a 1941x, BUT it doesn't have the insert pot, nor the vent tube.. What is going on? Did someone mix these up? Or is this an older model of the 941? The main pot, also doesn't have the channel down the side that you would normally run the vent tube down, so I am confused af. Experts of AA come figure this out! Thanks.


Edited by Levster (02/21/24 09:39 PM)

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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: Levster]
    #28670508 - 02/21/24 09:43 PM (4 months, 3 days ago)

You can buy the toggle valve separately and install it instead of the usual jiggle weight.

Someone upgraded the 941....probably a fellow cultivator or a canning enthusiast who couldn't stand the constant hissing noise.

Good score?

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OfflineLevster
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28670535 - 02/21/24 09:58 PM (4 months, 3 days ago)

So is this still considered a canner and not a sterilizer then?

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Invisiblethirdeyewild
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Re: Which All American Cooker is this?! [Re: Levster] * 1
    #28670576 - 02/21/24 10:36 PM (4 months, 3 days ago)

Older AA's came with the petcock.


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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: thirdeyewild]
    #28670665 - 02/21/24 11:52 PM (4 months, 3 days ago)

A sterilizer has the red safety pressure plug. If yours is black then it means that you can't run it as high as you could run a sterilizer. You can still go over 15 psi though. Not sure when the black or red pluck is suppose to pop, look up the specs on the AA homepage.

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OfflineLevster
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28670946 - 02/22/24 07:13 AM (4 months, 2 days ago)

This safety plug is orange. I can't really find a date stamp on this rig, would be really nice to know what year it was made.

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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: Levster]
    #28671236 - 02/22/24 11:15 AM (4 months, 2 days ago)

The orange plug is for the sterilizers so you could run this at higher PSI. The type of handle and type of toggle valve are suggesting that it is a recent model. On the AA spare parts list it says that if the handle is slanted at the base where it attaches to the lid then it was made before 2009 if the two ends are straight then it was made after 2009 (see link here). This will only give you a first hint of how old the lid is though as you can buy those as spare parts as well. There must be a date stamp somewhere on the lid and the bottom, they do look like in the image below. Number inside the circle is the year and the number below is the month.



It really doesn't matter how old it is as long as there is no major pitting, a crack or warping. These are made so sturdy that they will last for generations if used and maintained as they should be. Pitting is the only problem I came across so far when looking at used AAs. My first AA had a bit of pitting at the bottom but was still usable. The pitting tends to become worse over time though and now I have converted the unit into a vacuum chamber.

You want to know the age because of safety concerns?

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Invisiblethirdeyewild
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28671240 - 02/22/24 11:22 AM (4 months, 2 days ago)

Interesting! Just checked mine, March '94. Bought it new pretty close to that date. Had been running ancient thrift store Presto's for a few years before then.


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OfflinemorningWood
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Re: Which All American Cooker is this?! [Re: Baba Yaga] * 1
    #28671246 - 02/22/24 11:29 AM (4 months, 2 days ago)

These things last generations. And older one from ?70's? still works like a champ!

What plug is this? I regularly take it to 20 pounds, sometimes creeps up to 22, with no problems.


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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: morningWood]
    #28671264 - 02/22/24 11:45 AM (4 months, 2 days ago)

Yeah, my first one looked like this. Don't know what plug this is, they usually are valves that work similar to the petcock valves with a little metal ball and a spring in them. There are also things called burst discs which are like early versions of the rubber plugs but I haven't seen those on an AA yet. Burst discs are commonly used on gas bottles.

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OfflinemorningWood
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28671590 - 02/22/24 03:38 PM (4 months, 2 days ago)

That first pic, is that some sort of over pressure plug? I thought the petcock just popped up.


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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: morningWood]
    #28671643 - 02/22/24 04:04 PM (4 months, 2 days ago)

This should also be a valve functioning as secondary safety. They do release a few PSI above the petcock.

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OfflinemorningWood
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28671682 - 02/22/24 04:36 PM (4 months, 2 days ago)

Thanks 👍. I'm almost ashamed to admit, but it took me a few trys to figure out that the lid needs to be level with the base when tightening down. Got it under control now.


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OfflineLevster
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Re: Which All American Cooker is this?! [Re: morningWood]
    #28671804 - 02/22/24 06:48 PM (4 months, 2 days ago)

Thx! May 2020 on the bottom. There is pitting on the base of the pot, but nothing super deep, just a bit of scoring/pitting.. How does that happen with such strong steel? Did they run this dry a million times? Scrape it with a screwdriver?

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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: Levster]
    #28671818 - 02/22/24 06:59 PM (4 months, 2 days ago)

This is made from aluminum, pitting is caused by a chemical reaction and does happen when they stored it away while still wet and/or not cleaning it out after cooking or when when mineral deposits like lime scale are not removed regularly. We are having quite hard water here and I add two tablespoons of vinegar to the water on each run and never had to clean the pot, wipe the water out with a sponge after use and let it dry before it goes back in the cupboard. You can download the instruction manual from the AA webpage and follow the general maintenance instructions. I would also not use any trivets or other bits of metal in there which are not made from aluminum. Stainless steel is alright but I always prefer aluminum if I can just to be on the safe side. Using rusty jar lids to elevate the trivet is detrimental to use in aluminum cookers IMO and can promote pitting as well especially when you leave the jars to cool over night.

The pitting is on the inside, right? Wouldn't hurt if you could upload a couple of photos of what it looks like.

Edited by Baba Yaga (02/22/24 07:08 PM)

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OfflineLevster
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28672148 - 02/22/24 11:37 PM (4 months, 2 days ago)

My old presto I used rusty jar lids to elevate the trivet for years and didn't cause pitting. However I did warp it a bit whilst running it dry by accident one day.

I'll post a photo tomorrow. I mean I'm sure it's still usable.. I hope. This wasn't cheap. But cheaper than a brand new one..

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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: Levster]
    #28672226 - 02/23/24 02:38 AM (4 months, 1 day ago)

Yeah, maybe I'm wrong with the rusty jar rings, could have been something other that cause the corrosion

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OfflineLevster
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28672418 - 02/23/24 08:15 AM (4 months, 1 day ago)

It was quite a bit rusty when I got it, cleaned it best I could. I'll use vinegar for the cooks.







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InvisibleBaba Yaga
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Re: Which All American Cooker is this?! [Re: Levster]
    #28674247 - 02/24/24 01:49 PM (4 months, 11 hours ago)

Oh wow, this looks worse than I have expected. Looks like they kept the steel bit to elevate jars, trivet or rings, in there for a prolonged time while still wet which is bad practice.

Can't really see how deep the pitting is so all I can say is that the bottom of those pots is quite thick and I had used a cooker with pitting for several years but it got worse over time and I eventually retired it cause it started to sketch me out. I can't tell you if it is OK to use yours just from looking at photos.


Had look on the internet about galvanic corrosion and found my suspicion confirmed. Steel is not much nobler than aluminum but if you leave it in contact for long enough it will cause problems, even more so if there are chlorides present like in cooking salt.

Quote:

The galvanic series for metals show that aluminum will be the anode of the galvanic cell in contact with almost all other metals and, hence, the one which suffers from galvanic corrosion.

The galvanic corrosion performance of the different aluminum alloys is quite similar, so that changing alloys cannot solve the problem.

[...]

It is unusual to see galvanic corrosion on aluminum in contact with stainless steel (passive). In contrast, contact between copper, bronze, brass and different kinds of steel alloys (passive and active) and aluminum can cause severe corrosion, so it is advisable to provide insulation between the two metals.



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OfflineLevster
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Re: Which All American Cooker is this?! [Re: Baba Yaga]
    #28674409 - 02/24/24 04:15 PM (4 months, 8 hours ago)

They aren't too deep, maybe 1/64. I'll do a few cooks and keep it clean and dry between cooks.

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