PexRite Pex/Copper/CTS Isolator Insert, 1" Red

PexRite Pex/Copper/CTS Isolator Insert, 1" Red

The 426-RR PexRite PEX/Copper/CTS Isolator Insert (1" Red) is a through-stud tubing isolator designed to support and protect piping in metal stud installations. Built from durable polypropylene, it helps position and isolate copper, PEX, or CPVC tubing, preventing metal-to-metal contact that can cause wear, noise, or corrosion. The red color indicates hot-water lines for easy identification, and the insert is designed to fit standard stud cutouts and integrate with PexRite/HoldRite bracket systems—because plumbing should stay quiet, protected, and exactly where you put it.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 426-RR
• System Compatibility: PEX, Copper, and CPVC tubing (CTS)
• Pipe Size: 1 in. CTS
• Product Type: Through-stud tubing isolator insert
• Material: Polypropylene
• Color: Red (commonly used to indicate hot water lines)
• Application: Isolation and positioning of tubing in metal stud installations
• Stud Compatibility: Fits 1-11/32 in. or 1-3/8 in. round cut-outs in 14–25 gauge sheet metal studs
• Bracket Compatibility: Designed to integrate with PexRite / HoldRite #121 and #125 series brackets
• Temperature Range: -10°F to 180°F
• Fire Rating / Compliance: UL 94 V-2 flame rated, UPC / IPC / IAPMO compliant
• Design Feature: Off-center hole allows tubing cross-overs without additional fittings
• Purpose: Prevents dissimilar metal contact, reducing vibration, wear, and noise in piping systems

Ideal For

• PEX, copper, or CPVC plumbing runs through metal studs
• Plumbing systems needing pipe isolation to prevent metal-to-metal contact
• Hot water lines where quick visual identification matters
• Installations using PexRite / HoldRite stub-out or bracket systems
• Contractors who prefer plumbing that stays quiet, protected, and exactly where it’s supposed to be (no squeaks, rattles, or mystery noises inside the wall)