1 COPxPEX BRASS FTTG ADAPTER

Uponor part number LF4501010 is a 1-inch ProPEX® lead-free brass adapter fitting used in PEX plumbing systems.

Product description:

It is a PEX-A (cold expansion) to copper sweat adapter that transitions:

• Uponor PEX tubing (AquaPEX / Wirsbo hePEX) on one end
• Copper sweat connection (male sweat) on the other end

Key specs:

• Size: 1" nominal
• Material: Lead-free brass
• Connection type: ProPEX (F1960 expansion) × copper sweat
• Use: Potable hot/cold water & hydronic heating systems
• NSF/ANSI certified for drinking water use
• Rated for high-pressure residential plumbing systems

What it’s used for:

This fitting is commonly installed when a plumber needs to connect PEX piping to existing copper plumbing or equipment (water heaters, manifolds, valves, etc.), without using solder directly on PEX.