Jeff, Sorry I totally forgot to say that after your suggestions about not using the R600 I decided not to. I mentioned it in a previous post to say that the pressures were about the same as R290.
So am I understanding this right? I need a higher suction pressure? I think that is the only way to get more flow/capacity. So I may open up my cap tube some and charge with a higher pressure gas. In which case I only have 2 options. R152A or R134A
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