Dewalt 20V MAX Cordless Lithium-Ion 1 in. PEX Expander (Tool Only) - DCE400B

Model: DCE400B
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CA Residents
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WARNING: This product can expose you to Lead, which is known to the State of California to cause Cancer and Birth Defect/Reproductive Harm. For more information go to
Dewalt 20V MAX Cordless Lithium-Ion 1 in. PEX Expander (Tool Only) - DCE400B Model: DCE400B
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Product Features & specs :

200 plus products and growing in the 20V MAX family of tools

200+ Products

Our largest cordless platform continues to expand making 20V MAX a system you can build on

Fastest pex spander on the market

Fastest PEX Expander

Compared to competitor PEX expander average application speed

Innovation for the trades

Product Innovation

Using the latest technology, to increase efficiency, boost productivity, and help you get more out of your tools

Choose Any 20V Max Battery For Your 20V Max Tools Regardless Of AMP Hour

Choose Any 20V MAX Battery For Your 20V MAX Tools

Use alongside your existing 20V MAX batteries for longer runtime

Compatible with a Wide Range of 20V MAX Batteries to fit your needs

Dewalt DCB203 battery for lightweight usage

More Compact 2 Ah

Dewalt DCB230 battery

3 Ah

Dewalt DCB204 battery

4 Ah

Dewalt DCB205 battery

5 Ah

Dewalt DCB206 battery

6 Ah

Dewalt DCB612 battery with long run time

More Runtime 12 Ah

Dewalt 20V MAX Cordless Lithium-Ion 1 in. PEX Expander (Tool Only) - DCE400B


Expand PEX Type-A tubing from 3/8 in. to 1 in. with the 20V MAX Cordless 1in. 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.


  • 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

  • Dual-sided hang and belt hooks for convenient storage

  • Bright LED work light to help illuminate dark areas

  • Rubber overmold for comfortable, ergonomic grip

What’s Included:

  • PEX Expander Grease

  • Kit Box

  • 3/4 in. Expander Head - DCE40034

  • 1/2 in. Expander Head - DCE40012

  • 1 in. Expander Head - DCE4001

  • Batteries and charger sold separately

Power Source



3/8 in - 1 in

UL Safety


Head Compatibility

Milwaukee/Uponor Heads

Wifi compatibility


Batteries Included


Battery Type


Bluetooth Compatibility




Charger Included


Heads Included


CSA Safety


LED Light


Expander Mechanism


Case Included


Case Type

Kit Box




60 SPM

ETL Safety


Battery System



18.06 in.


4.88 in.


12.63 in.


10.1 lbs.

Warranty Term

3 Year

Reviews :

Q & A :


Most DEWALT® Tools purchased on or after January 1, 2004 come with a warranty package that includes:

Three-Year Limited Warranty. DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.

One-Year Free Service Contract. DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

90-Day Money Back Guarantee. If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund - no questions asked.