[Gmcnet] Duracool compatibility

[Gary Worobec]

Thanks Emery, that seems to make the most sense.


Gary and Joanne Worobec
Anza, CA
1973 23' Glacier

----- Original Message ----- 
From: "Emery Stora" <emerystora at mac.com>
To: <gmcnet at gmcers.org>
Sent: Saturday, August 09, 2008 7:42 AM
Subject: Re: [Gmcnet] Duracool compatibility


> Gary - I have seen people add Duracool (HC12a) to an existing system  
> that already had R12 or R134a in it.  The Duracool site says that it  
> will do no harm.  However, since the Duracool provides a much lower  
> head pressure on the compressor and is more efficient in cooling and  
> at a relatively low cost, it makes much more sense to take out the  
> remaining R12 or R2134a and fill with Duracool.  If your system still  
> have refrigerant in it and has not had any air or moisture ingested  
> then you don't have to draw a vacuum.  You can bleed off the existing  
> refrigerant from the low pressure valve and fille with the Duracool.
> 
> 
> On Aug 8, 2008, at 9:27 PM, Gary Worobec wrote:
> 
>> I'm sure this question has been asked a dozen times but I was not  
>> paying
>> attention.
>>
>> Can you add Duracool to a system that already has R-12 in it to get  
>> the
>> pressure up or should you evacuate all the r-12 and use straight  
>> duracool?.
>> (I just need a little) I understand that with Duracool you DO NOT  
>> have to
>> pull a vacuum?
>>
>> Thanks,
>>
>> Gary and Joanne Worobec
>> Anza, CA
>> 1973 23' Glacier
>>
>>
>>
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> 
> Emery Stora
> 77 Kingsley
> Santa Fe, NM
> 
> 
> 
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