Yes, DeWalt Does Make A PEX Crimper Tool (And Here's How Much It Costs)
The DeWalt Impact Connect PEX Crimp Ring Attachment (part number DWAPXCIR) sells for $146.09 on the Ohio Power Tool website.
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A Guide to Plumbing With PEX Tubing
Second, PEX doesn't sweat under high humidity conditions, and it's also resistant to bursting, even if the lines freeze solid ...