1-1/4" x 16" Brass Extension Tube, Slip joint inlets

Dearborn P9791E Brass Extension Tube – 1-1/4" OD x 16" Length for Tubular Drain Connections

The Dearborn P9791E is a 16-inch tubular extension tube designed for use in 1-1/4" OD drain systems. Manufactured from solid brass, this component provides corrosion resistance and structural integrity in residential and commercial sink installations.

Ideal for extending drain lines where existing tailpieces are too short, the P9791E features slip joint ends that simplify alignment and connection to existing tubular fittings. It is suitable for use with bathroom lavatory drains and other low-pressure drainage configurations where adjustments to length are required.

Key Features

• Material: Brass – resists corrosion and offers long service life
• Diameter: 1-1/4" outer diameter
• Length: 16 inches overall
• Ends: Slip joint connection (both ends)
• Application: For use in tubular drainage assemblies, such as lavatory installations

Installation Considerations

This extension tube is designed for use with standard slip-joint couplings and requires no soldering. Installation can be completed using basic hand tools such as a slip joint wrench. Be sure to verify that mating components are properly aligned and that washers and nuts are seated to prevent leaks. Always check for local plumbing code compliance when modifying drain assemblies.

Usage Guidance

Commonly used to extend or adjust tailpieces during sink replacements, remodels, or fixture relocations. Provides a straightforward method to accommodate custom rough-in dimensions without needing to fabricate new piping runs.