Author Topic: Freeze 12  (Read 7446 times)

Offline Earl Dryer

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Freeze 12
« on: February 03, 2009, 09:43:38 PM »
How compatible is Freeze 12 with Hermatic Systems? I know that 134a conversion in closed systems is a no no, but how about the synthetic R12?
Sure don't want to be buyin someone a new Freezer or Window A/C unit
because the old piece of junk has failed and should have been the junkyard

Offline JWWebster

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Re: Freeze 12
« Reply #1 on: February 03, 2009, 10:26:34 PM »
Freeze 12 is good on old ice boxs and freezers. I wouldn't put it in a car though I hear it has butane in it ain't sure about that. R134a is the best thang since swiss cheeze on any damn old ice box or freezer my opinion. They say the oil must be drained bla bla bla an azeotrophic whatever will FU a system bla bla bla. You know what BS BS BS.
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Offline jumptrout51

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Re: Freeze 12
« Reply #2 on: February 04, 2009, 05:32:53 PM »
I have used it extensively with no problems.
Take a Kid fishing.

Offline Repair-man

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Re: Freeze 12
« Reply #3 on: February 04, 2009, 07:16:34 PM »
It's basically 134a with a couple of extra ingredients:


134a: 1,1,1,2-Tetrafluoroethane
Freeze12: 1,1,1,2-Tetrafluoroethane, 1-Chloro 1,1-Difluoroethane

You might have been thinking of Hot Shot, which contains Isobutane.
« Last Edit: February 04, 2009, 07:19:32 PM by Repair-man »
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Offline JWWebster

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Re: Freeze 12
« Reply #4 on: February 04, 2009, 10:18:04 PM »
I have some mp66 in my shop I use in ice boxes. It is supposed to be good in walkin coolers and field refrigeration for the army, would you use it in cars?
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Offline whirlpooltech

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Re: Freeze 12
« Reply #5 on: February 04, 2009, 10:22:29 PM »
Why us
I have some mp66 in my shop I use in ice boxes. It is supposed to be good in walkin coolers and field refrigeration for the army, would you use it in cars?

Why us anything other then what the manufacture recommends?

Offline JWWebster

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Re: Freeze 12
« Reply #6 on: February 04, 2009, 10:26:21 PM »
I was jus wondering  ::)
« Last Edit: February 04, 2009, 10:28:41 PM by JWWebster »
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About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
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Offline Icehouse

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Re: Freeze 12
« Reply #7 on: February 11, 2009, 04:42:55 PM »
MP-39 for R-12 High to Medium Temperature, MP-66 for R-12 Low Temperature.
Hot-Shot not accepted by Tecumseh or Copeland  :tsk:. Had to eat a compressor because of that crap. :tickedoff:
NATE, NCCER, PHCC,HVAC Certified Instructor
Member RSES, US Army Refrigeration Specialist(Retired), Former Refrigeration Teacher NYC Board of Ed.
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Offline shieldcracker

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Re: Freeze 12
« Reply #8 on: February 11, 2009, 08:35:20 PM »
When the compressor dies after a refrigerant change over is done it is not the refrigerant but the combination of the refrigerant and oil in the system that spells trouble. This happens because the oil not being miscible with the refrigerant can starve the crank or slug the compressor valves. These  effects are more evident in low temp systems.

Offline JWWebster

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Re: Freeze 12
« Reply #9 on: February 11, 2009, 09:14:21 PM »
Is eating a compressor hard on the teeth? :D
May the hinges of our friendship
        never grow rusty.

About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

 

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