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Old 07-27-2018, 09:47 AM   #18
1972RedNeck
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Join Date: Jan 2011
Location: Townsend MT
Posts: 1,725
Re: Parallel Flow Condenser

Duracool, or a homemade copy of it will cool as good as R12, and better than R134. It is a mix of propane and isobutane. Flash point is actually higher than r134A.

Best part is that you can mix your own. One 8 oz can of isobutane (mountain stove fuel), and 12 oz of Coleman propane (found to be drier than most). Takes about half the weight as the freon charge.
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