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DeWalt DCE400B Cordless Expander Tool

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20V MAX Cordless 1" PEX Expander - Bare Tool

Expand PEX Type-A tubing from 3/8" to 1" with the 20V MAX Cordless 1" PEX Expander, the fastest PEX Expander on the market. It's proudly made in the USA with global materials. An automatic rotating head helps to ensure even expansion. The bright onboard LED work light and full trigger actuation make it an excellent tool in dimy lit, tight spaces. Carry this tool conveniently around the jobsite with a dual-sided hang hook and belt hook. Rubber overmold on the handle provides an ergonomic grip to keep you comfortable all day. This tool uses DEWALT PEX Heads, and it is compatible with leading competitive PEX heads.

Standard Equipment:

  • DCE400B Cordless Expander Tool
  • Three Expander Heads: 1/2", 3/4", 1"
  • PEX Expander Grease
  • Kit Box

Optional Accessories:


  • Capacity: 3/8" to 1" PEX Type-A Tubing
  • Weight w/Battery: 3.93 lbs


  • Expands 3/8" to 1" PEX Type-A tubing.
  • Automatic rotating head action for even expansion.
  • Full trigger actuation for use in tight spaces.
  • Bright LED work light to help illuminate dark areas.
  • Dual-sided hang and belt hooks for convenient storage.
  • Rubber overmold for comfortable, ergonomic grip.
  • Uses DEWALT PEX Heads. Compatible with Milwaukee and Uponor Heads. (Milwaukee is a registered trademark of Milwaukee Electric Tool Corp. Uponor is a registered trademark of Uponor Oyj.).

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