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The SIOUX CHIEF 645WG43 coupling connects 1" to 3/4" PEX-A pipe in a straight line using the PEX expansion method. It is made from no-lead, dezincification resistant, and stress corrosion cracking resistant brass. F1960 fittings can only be used with PEX-A tubing and provides a large I.D. for better flow characteristics.
This reducing coupling fitting is compatible with all brands of PEX-A tubing and made to ASTM F1960 standard.
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