Mueller Streamline press-pf08004 Press Union 3/4 in

Product Description

The MUELLER STREAMLINE press-pf08004 is a 3/4-inch copper press union designed for press-fit (PxP) connections in plumbing and hydronic systems. This small union joins two copper pipe ends without soldering, using a press-sleeve installation method that creates a watertight mechanical joint. It is sized for 3/4-inch nominal copper pipe and is suited for use in tight spaces where torch work is impractical or restricted. Licensed plumbers and pipefitters install this fitting during new construction and retrofit work where no-flame joining is required.

This press union is used in residential and light commercial plumbing installations, including domestic water supply lines, radiant heating loops, and hydronic distribution systems. The PxP end configuration allows it to couple two plain copper pipe ends in a straight run. It is a practical choice in occupied spaces, fire-sensitive environments, or jurisdictions with no-torch requirements.

Key Features

• 3/4-inch nominal size fits standard copper tube for press-fit applications
• PxP configuration joins two copper pipe ends in a straight coupling
• No-solder, no-flame installation reduces fire risk and job-site prep time
• Compact union body suited for confined or restricted access areas
• Copper construction provides corrosion resistance in potable water and hydronic service

Compatibility

Designed as an OEM-style press-fit replacement fitting for 3/4-inch copper pipe systems using press-sleeve joining tools.

Installation Notes

Installation requires a compatible press tool and the correct jaw or ring size for 3/4-inch copper press fittings — verify tool and fitting compatibility before pressing. Shut off and depressurize the water supply line before cutting and joining pipe. Work must comply with applicable local plumbing codes, including IPC requirements for press-fit fittings in the applicable system type. Do not use an open flame or solder on this press-style fitting.

Technical Specifications

• Size: 3/4 inch
• Connection Type: Press x Press (PxP)
• Material: Copper
• Fitting Type: Union

Standard Information

• Brand: MUELLER STREAMLINE
• Manufacturer Part Number: press-pf08004