Flame-rated Hot Line Tube Isolator Insert
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SKU 425-RR
This through-stud isolator is designed for metal studs/brackets, providing positioning support and dissimilar metal isolation for copper, CPVC and PEX tubing. The isolator’s red color signifies hot water piping for easy identification.
Features and benefits:
- Integrates with HoldRite #121 and #125 series brackets
- Meets UL 94 V-2 requirements
- Off-center hole design allows for cross-over without fittings
- Fits in 1-3/8 in. or 1-11/32 in. Holes
- Material: polypropylene, UL94V-2, red
- Temperature range: -10 °F to 180 °F
| SKU | Pipe Size |
|---|---|
| 424-RR | 1/2 in. CTS |
| 425-RR | 3/4 in. CTS |
| 426-RR | 1 in. CTS |
Common Applications
- Vertical
- Tubing isolation
- Through-stud isolation
- Horizontal
Approvals & Listings
- UL 94 V-2
- UPC / IPC / IAPMO listed
- UL Ratings
Versatile
Compatible with multiple pipe types.
Central Hub
Designed to work with HoldRite brackets
Proven
Lab-tested and UL compliant.