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Old 05-07-2021, 09:07 AM   #1
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Evaluation of the "Amish" evaporative replacement refrigerator works after a year.

A year ago we replaced the evaporative part of our 1350 Dometic 4 door fridge with one of the "Amish" units. Prior to this we tried removing and preforming the maintenance recommended in the service manual as well as reforming the area that it was installed in to bring it up to spec. Prior to that it was simply Dometic with temps often making it into the high 40's and door openings in hot weather sending the temps way up and taking hours to come down. We had to run a battery fan. In hot weather the freezer might hold 20f unless opened or adding food. A set of 4 fans on the back helped. The service helped by a couple of degrees. Not so bad. Still soft ice cream unless undisturbed in cold weather.

Then it quit. Wanted to replace the fridge nut we would have had to wait weeks for someone to remove the slide to replace it. Price around six thousand.

We sent for an "Amish replacement". It took several days to arrive. Instructions were included, Youtube vids were watched. I do not recommend this procedure for any but the most adventurous. Someone local will do it for you for a couple of hundred bucks. We did it in a day. Snuck the old parts to the dumpster in the dark of night.


This year we spent a couple of weeks in Death Valley. The temp on the fridge stays at 32f constantly. Even sitting with the sun on the fridge side at 100f with the AC off. The freezer is below zero always. Ice cream is hard. We don't have to dig back to the sweet spot in the back to get it frozen. Anywhere in the freezer is cols except perhaps for the top door plastic holders. If we go shopping ans stuff it it will recover if a couple of hours, possibly longer if we drive. Pretty good though. I highly recommend it over a fridge change or a Dometic replacement.
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Old 05-07-2021, 09:28 AM   #2
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Good to hear. I've read many times over the years in the three RV forums that the Amish units are superior. I understand the tubing is thicker? And other improvements.

Thanks for the report. Did you reinstall all the flue fans and other work around items you'd installed for the Dometic?
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Old 05-07-2021, 09:34 AM   #3
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Congrats on the upgrade! We did that several years ago and the Norcold 1200 is still doing great!

Did you buy the absorption-type or the compressor-type?
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Old 05-07-2021, 03:10 PM   #4
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Did you go with the hydrogen or helium unit?
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Old 05-07-2021, 06:27 PM   #5
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I am about to pull the RV refrigerator and replace with residential unit.

See picture below is the second panel propane part for the RV refrigerator and what is the best way to remove and cap propane?

Any advice appreciated
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Old 05-07-2021, 06:48 PM   #6
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Best way? Dunno about a best way, but what many do is shut off the main propane valve at the tank, then light several of the range burners to burn off the residual gas.

Of course both your gas refer and gas furnace below it have the gas section exposed outside and you could shut off the gas at the tank, than all 12 volt sources for the appliances at the Main and Aux switches or disconnect both battery sets so they can't spark, and then exhaust it to the air by cracking the supply connections. Your choice. The best caps are brass plugs you find at any hardware store that has propane parts...nearly all of them. Standard part.

Also, it may be better to start your own thread.
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Old 05-07-2021, 07:09 PM   #7
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Quote:
Originally Posted by Jim_HiTek View Post
Best way? Dunno about a best way, but what many do is shut off the main propane valve at the tank, then light several of the range burners to burn off the residual gas.

Of course both your gas refer and gas furnace below it have the gas section exposed outside and you could shut off the gas at the tank, than all 12 volt sources for the appliances at the Main and Aux switches or disconnect both battery sets so they can't spark, and then exhaust it to the air by cracking the supply connections. Your choice. The best caps are brass plugs you find at any hardware store that has propane parts...nearly all of them. Standard part.


Also, it may be better to start your own thread.
Should be standard 3/8" flared fitting

In your photo
TOP opening is the lower access panel to Fridge
Bottom opening is the Furnace Access...propane line is separate from fridge
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Old 05-08-2021, 06:13 PM   #8
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Quote:
Originally Posted by Jim_HiTek View Post
Good to hear. I've read many times over the years in the three RV forums that the Amish units are superior. I understand the tubing is thicker? And other improvements.

Thanks for the report. Did you reinstall all the flue fans and other work around items you'd installed for the Dometic?

I retained all of the work I did on the compartment to bring it up to spec.
I had installed 4 fans blowing upwards in the compartment as many have but instead I did as the instructions stated and installed 2 fans blowing directly inward on the hot coils at the top to help them shed heat. I was in Quartzite and the easiest way to get fans was to go to a computer shop and pick up some used ones that had led lighting in them so now I can tell they are on because the upper vent lights up with ever changing colors.
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Old 05-08-2021, 06:15 PM   #9
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Originally Posted by F4Gary View Post
Did you go with the hydrogen or helium unit?
The standard replacement was what was available right away so I got it. Not expecting any problems
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Old 05-10-2021, 08:39 PM   #10
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Originally Posted by MSHappyCampers View Post
Congrats on the upgrade! We did that several years ago and the Norcold 1200 is still doing great!

Did you buy the absorption-type or the compressor-type?

He said "evaporative", which leads me to believe it's the absorption type?? I've heard these units are a definite improvement.
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Old 05-10-2021, 08:46 PM   #11
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I reccomend the Amish replacement coil
Worked great for me
You must have the skills, tools and patience however.
Very happy I did the replacement
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Old 05-11-2021, 04:59 PM   #12
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Originally Posted by DandyDon View Post
He said "evaporative", which leads me to believe it's the absorption type?? I've heard these units are a definite improvement.

I did not get the compressor because we spend weeks at a time umplugged and out 4 large cart batteries get a workout what with the TV PC and the furnace fan. We got the regular direct replacement except it is "Amish". This fridge now behaves like a regular house fridge. No worries, no problems gas or electric.
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