1/2" PEX x 1/2" Male Sweat F1960 Adapter, LF Brass

Sioux Chief

Brand: Sioux Chief

Mfr Part#: 643WG2

Availability: In Stock
Usually ships: within 1 business day
Qty Price
$1.95 / each
x10 $18.50
(10 x $1.85 / each)
  • Description
  • Literature
  • Reviews
  • FAQs (1)

This fitting allows to transition from 1/2" PEX-A tubing to 1/2" copper fitting using PEX expansion method. Compatible with all brands or PEX-A tubing (Uponor/Wirsbo hePEX & AquaPEX, Sioux Chief, Mr. PEX, Rehau, etc.). Sweat part of the fitting must be soldered first.


  • Direct replacement for Uponor ProPEX style expansion fitting model LF4505050;
  • Made in the USA;
  • Fully compatible with Uponor hePEX and AquaPEX series PEX-a tubing and ProPEX connection system;
  • Made to ASTM F1960 standard;
  • NSF certified for US and Canada;
  • Lead-free, approved for potable water applications.
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I have a 1/2 copper pipe. It has a OD of 5/8 in. I want to go to PEX tubing. Will this work?
Read 1 answer
No. You'll need a female sweat adapter to transition between copper pipe and PEX. Correct part# would be 644WG2.
Answered on 12/28/2017 by PexUniverse Customer Service
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