At  6/26/2007 04:11 PM, mordo wrote:

>>There is nothing wrong with R134a - if you have a system built for it.
>>But old Freon systems converted to the higher pressures of R134a can be
>>problematic. And I don't want problematic in the dog days of summer.
>
>After sitting over-winter last year, mine was blowing lukecool. I put one
>12oz can of 134a in with leak seal and oil included. It got the system
>pretty darn chilly even at the front vents.

I read somewhere that the 134a molecules are smaller than the 12 and
will leak out of the hoses (from the walls of the hoses) sooner than 12 would.

Rob
becida@comcast.net