DeWalt offers two different models of PEX expander tools, the 20V MAX* XR 1-1/2 in. PEX EXP (DCE410B), which is available for $449 from Lowe's, and the 20V MAX* 1" PEX Expander Tool (DCE400B ...

When you get ready to make a connection with PEX pipe, all you have to do is slide a compression ring onto the end of the cut pipe. You then insert the expanding tool in the end and give it a ...

My inspector says I can use PEX pipe, and it seems too good to be true. I've never worked with PEX, but I have some experience sweating copper tubing.

The differences between the two models, beyond price, are the sizes each tool accommodates. For example, the pricier model (DCE410B) expands 1-1/4 inch and 1-1/2 inch PEX A pipe.

If you’ve ever worked on plumbing, you might have heard of PEX. Milwaukee makes several PEX expander tools. Here is what they do and how to use them.