20V MAX* 1 in Cordless PEX EXPANDER (TOOL KIT)

20V MAX* 1 in Cordless PEX EXPANDER (TOOL KIT)

Expand PEX Type-A tubing from 3/8 in. to 1 in. with this 20V MAX* Cordless 1 in. 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 dimly 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 is compatible with leading competitive PEX heads.


  • Expands 3/8 in. - 1 in. 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.)


  • Expanding PEX tubing


  • (1) DCE400 PEX Expander
  • (2) DCB203 Batteries
  • (1) Charger
  • (3) Expander Heads (1/2 in.., 3/4 in., 1 in.)
  • (1) PEX Expander Grease
  • (1) Kit Box


Product Length
17 in
Product Height
1.5 in
Product Weight
0 lbs


3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

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We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

Support Manual

* Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18., ** Compared to competitive PEX Expander average application speed using 1/2 in., 3/4 in., and 1in. PEX Type-A pipe).