JEScholz
Contributor
If you can identify the size of the o-rings, you might be able to get generic replacemtents from McMaster-carr
McMaster-Carr
McMaster-Carr
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If your reg is touchy in cold water, I would consider looking for a new reg or having the old one serviced. The heat exchanger in the Magnum Blizzard is a set of fins in the second stage that your exhaled air passes over. The inhaled air then passes over the same fins and the theory is that they will transfer heat. I don't know if it works or not but I can tell you from experience that if you get a free flow at 140' and stick your tongue on the fins, you will freeze the tip of your tongue and it will not stop the free flow! That is one move I will not do again. :no :no