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|The 644WG4 from Sioux Chief is a 1” PEX x 1” Female Sweat Adapter, Brass. This item allows to transition from PEX-A tubing to copper pipe using PEX expansion method. Compatible with all brands of PEX-A tubing. Sweat part of the fitting must be soldered first.
•Direct replacement for Uponor ProPEX style expansion fittings model LF4511010.
•Fully compatible with Uponor hePEX and AquaPEX series PEX-A tubing and ProPEX connection system.
•Approved for potable water use.
•Manufactured to ASTM F1960.
•NSF certified for US and Canada.
•Made in the USA.