Thinking about a DIY mini split system? These setups use pre-charged R-454B...
https://www.mediafire.com/file/80nx459pimvnabx/pdf-5009-80742.pdf/file
Thinking about a DIY mini split system? These setups use pre-charged R-454B quick-connect linesets, so no vacuum pump or EPA Section 608 license is needed. Plus, 9K and 12K units come with easy 115V plug-in options