Thanks for an interesting write-up Steve, although still using R12, I'm sure that the day will arrive sooner rather then later when I need to address the problem. You may be able to answer a question I have regarding refrigerant blends, that is when a system is liquid charged, surely some refrigeran...

Contrary to popular belief, it is possible top up air conditioning systems using blended refrigerants without any ill effect. Theoretically, blended refrigerants like R49 can "SPLIT" if allowed to leak. And they are supposed to be charged into the system in liquid state to prevent this happening. Ho...

I've read with interest the many posts under the heading "AIR CON" on the bulletin board. Quite an interesting subject I'm sure you will agree! I'm also glad to learn that most people choose to keep their air conditioning systems operational. The subject can be somewhat of a mine field. But I hope I...