Changing from R-12 to 134 is definitely not an "upgrade"...  ;-)

Perhaps an "update"?

Cheers,

Jeff

On Wed, May 8, 2013 at 3:19 AM, JRodgers <jrodgers113@gmail.com> wrote:

> Good stuff to know about. When the system was overhauled - the system
> was upgraded from R-12 to R134a with a kit from Van-Cafe that had all
> tht newer type seals. The thing didn't leak a drop from months,, then it
> started slowly losing it's cool - so to speak. Then I tarted adding a
> can of 134a once in a while. But I would like to stop that - and was
> hoping the sealant would do the trick.  Next time I add some I will use
> a type with sealant and dye.
>
> Thanks,
>
> John
>
> On 5/7/2013 9:23 PM, Tom Hargrave wrote:
>
>> Yep, that's why you replace the O-ring seals with less porous seals. They
>> used to also replace the rubber hoses for the same reason until the AC
>> community "discovered" that once the old hoses were soaked with
>> refrigerant
>> oil they sealed themselves tight enough to hold R134a. But the front
>> compressor seal is never replaced & often they will leak enough R134a to
>> pass a can or more / month.
>>
>> Thanks, Tom Hargrave
>> www.stir-plate.com
>> www.towercooler.com
>> www.kegkits.com
>> www.grow-sun.com
>>
>>
>>