Easy installation for potable and radiant applications. Works only with stainless steel cinch rings and copper crimp rings. Why Brass PEX Fittings Leak and How to Identify the Cause and Solution? - Pex al Pex Pipe Brass... Made from Lead Free brass which you can use on potable domestic water lines (washer, sink, shower, etc., ., ) and for radiant heating applications. - NSF Certified - Made of Lead Free Brass - Compatible with any brand of PEX manufactured to North American standard - Forged Brass - Manufactured to ASTM Standard F1807 and CSA B137., 5 for use with any SDR-9 PEX piping - Manufactured at ISO 9001 - Compliant with AB1953 (No Lead / Lead Free laws) in the USA Compatible with: - Crimp and Cinch Ring Fitting Systems, PEX-A, PEX-B, PEX-C NOT Compatible with: -Expander Fitting System, Uponor/Wirsbo Expander System smileracing 1/2 inch X 75 ft Pex-b Pipe/Tool Kit - 2 Rolls The Best Uses For Brass Pex Fittings For Plumbing, HVAC, And More - The Brass Warehouse Highly dezincification resistant or corrosion due to high quality brass. Universal Plumbing Code compliant with AB1953 Can be used with all PEX types: PEX-A, PEX-B and PEX-C. 12mm Push Fit Connectors 30 Pieces) 1/2" Brass PEX Fittings For 1/2 Inch PEX Pipe (10 - Elbow Brass PEX Elbows Tees Couplers NOT Compatible with: Expander fitting system, Uponor/Wirsbo Expander fitting system (F1960)