Nibco PRESCAP12-JAR Copper Press Tube Cap 1/2 in 20 Pack

Product Description

The NIBCO PRESCAP12-JAR is a 1/2-inch copper press tube cap designed to terminate open copper tubing ends without soldering. The press-fit connection uses a cold-press tool to mechanically deform the fitting onto the tube, creating a leak-tight seal in seconds. This cap is packaged in a 20-count jar, making it practical for service vans and job-site stock. Plumbers and pipefitters use press caps to dead-end supply lines, cap off unused ports, and isolate sections of a hydronic or domestic water system during phased construction or repair work.

The PRESCAP12-JAR is suited for residential and light commercial plumbing systems where 1/2-inch copper tubing is standard. Typical applications include capping branch lines in domestic hot and cold water distribution, radiant heating loops, and hydronic systems. The 20-pack jar format is sized for contractors who install or service multiple press-fit systems and need a ready supply of end caps on hand.

Key Features

• Press-fit connection eliminates open flame and soldering on the job site
• 1/2-inch copper construction compatible with standard type K, L, and M copper tubing
• Cold-press installation seals quickly with a standard press tool
• 20-count jar packaging supports bulk job-site and service-van inventory
• Leak-tight mechanical seal suitable for pressurized plumbing systems

Compatibility

Designed as an OEM-style press fitting for use with 1/2-inch copper tubing in residential and commercial plumbing systems. A compatible press tool with the correct jaw size is required for installation.

Installation Notes

Installation must be performed by a licensed plumber or qualified pipefitter using a calibrated press tool rated for copper press fittings. Shut off the water supply and depressurize the line before fitting the cap onto the tube end. Ensure the tube end is cut square, deburred, and fully seated in the fitting before pressing. Follow local plumbing codes, including applicable IPC requirements, for press-fit copper fitting installation and inspection.

Technical Specifications

• Tube Size: 1/2 inches
• Material: Copper
• Connection Type: Press-fit
• Fitting Type: Tube cap
• Package Quantity: 20

Standard Information

• Brand: NIBCO
• Manufacturer Part Number: PRESCAP12-JAR