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Milwaukee 2532-22 M12 ProPEX Expander Kit

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SKU MILW2532-22

with 1/2"-1" RAPID SEAL ProPEX Expander Heads

The M12 FUEL ProPEX Expander unlocks a breakthrough in productivity for plumbing installers, delivering the fastest 3/8"-1" expansions. Featuring an auto-rotating head, the expander provides you with uniform expansions for the most consistent installations. In combination with the ProPEX Expander Heads with RAPID SEAL, installers will experience up to 65% faster sealing of connections as temperatures decrease, reducing the time before pressure testing. An extended dual actuating trigger and a compact right-angle design provide you with easy access in tight locations. All-metal gears and an integrated metal frame deliver maximum durability on the job site. The POWERSTATE Brushless Motor offers the fastest expansions yet runs cooler with no wearable components. The REDLITHIUM 2.0 Compact Battery Pack provides up to 20% more power, 2X more recharges than standard lithium-ion batteries, and best-in-class performance in extreme jobsite conditions. REDLINK PLUS intelligence ensures optimized performance and protection from overload, overheating, and over-discharge. The onboard fuel gauge helps you monitor the charge more accurately, so thereÕs less downtime on the job. The MILWAUKEE expander is designed for UPONOR ProPEX connections to deliver fast potable water installations from expansion to seal.


Standard Equipment:

  • (1) M12 FUEL ProPEX Expander w/ 1/2"-1" RAPID SEAL ProPEX Expander Heads (2532-20)
  • (1) 1/2" ProPEX Expander Heads w/ RAPID SEAL (49-16-2414)
  • (1) 3/4" ProPEX Expander Heads w/ RAPID SEAL (49-16-2416)
  • (1) 1" ProPEX Expander Heads w/ RAPID SEAL (49-16-2418)
  • (2) M12 REDLITHIUM CP2.0 Battery (48-11-2420)
  • (1) M12 Lithium-ion Battery Charger (48-59-2401)
  • (1) ProPEX Expander Cone Grease (49-08-2400)
  • (1)Carrying Case

Optional Accessories:


  • Rating: 12 Volt Li-Ion
  • Battery Capacity: 2.0 Amp-hrs
  • Capacity: 3/8" to 1"
  • Length: 7.5"
  • Weight: 4.5 lbs


  • Auto-rotating mechanism provides quick, uniform expansions
  • Fastest 3/8"-1" expansions for up to 35% faster connections
  • ProPEX Expander Heads with RAPID SEAL for up to 65% faster sealing at 45 degrees
  • Extended dual actuating trigger for easy reach in confined spaces
  • Compact, right angle design for one-handed use
  • All-metal gears and integrated metal frame for maximum jobsite durability
  • Battery fuel gauge displays remaining run-time
  • LED work light illuminates the workspace in dark locations
  • Compatible with all M12 batteries and chargers

WARNING: California residents, see information about Proposition 65