The pump is a little giant #35-om, the regulator i used came from a cotton picker, lol.. But with this pump the max psi is 35psi, so a regulator is not even needed.. Since the pressure for a wc torch should be no more than 50psi.. Sorry for the confusion on the $500.. I was referring to the price of the coolmate 1.. This is a very simple system to make yourself, already made 1 of these a few years ago, on my old school airco.. Works like a champ..


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