When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
That pressure-temperature chart I mentioned earlier will answer questions about operating ranges, to prevent freezing, etc.
For anyone reading this: Beware that this discussion is about using compressed flammable gas in a vehicle air conditioning system. What could possibly go wrong? Am I right? Hold my beer and watch this.
No tech here, but I can fix most HVAC and MVAC crap of mine easy enough. Even sprung for a high end Fieldpiece gauge set recently that will display wild data and subcool plus superheat