(0)
Flash

Same Day Shipping

Sign In Parts Manuals Quick Order
Order Status
Equipment
Parts
Supplies
Brokerage

Customer Login

Checkout as a new customer

Creating an account has many benefits:

  • See order and shipping status
  • Track order history
  • Check out faster
Create an Account

Hfext81 - 1" High Extension For 8" Cast In Place Firestop Sleeve - Holdrite (Pack Of 2)

Brand: Holdrite
Part #: Hfext81
$14.99

List Price: $17.23
🚚 Factory Ordered This item is ordered straight from the factory just for you! We'll ship it as soon as it reaches our distribution center.
* Unsure about this part? Submit a " Part Number Research " request for assistance.
Brand New Part
Eligible For Free Shipping! Cart Minimum $145
Manufacturer Warranty Included - More info
Return & Cancellation Policy - More info

Specs

Each Weight (LBs)
1.5
Each Length (Inches)
15
Each Width (Inches)
10.75
Each Height (Inches)
1.74

Description / Hfext81 - 1" High Extension For 8" Cast In Place Firestop Sleeve - Holdrite (Pack Of 2)

HoldRite Hfext81 Firestop Sleeve
HoldRite • part of the RWC family • Plumbing Part
Hfext81HoldRiteFirestop Sleeve1" x 8"Pack of 2

Hfext81 HoldRite Firestop Sleeve RWC HoldRite Firestop Sleeve 1" High Extension For 8" Cast In Place Firestop Sleeve

The HoldRite Hfext81 is a firestop sleeve from HoldRite, the pipe-support, bracketing, and firestop brand in the RWC family. 1" High Extension For 8" Cast In Place Firestop Sleeve.

⚠ Important Note

Shut off and depressurize the water system before installing. Match pipe size, material, and connection type, and follow local plumbing code relief-valve discharge and pressure/temperature settings have code requirements. Confirm the model fits your application before installing.

✗ Symptoms

  • ✗ Pipe noise, vibration, or movement
  • ✗ Unsupported or sagging pipe
  • ✗ Firestop or code gap at penetrations
  • ✗ Loose or missing bracketing

✓ What This Restores

  • ✓ Quiet, secure, well-supported pipe
  • ✓ Proper spacing and alignment
  • ✓ Code-compliant firestopping
  • ✓ Solid, lasting support

🔧 Installation Overview

  1. Shut off water and depressurize the line before working on any connection.
  2. Cut the pipe square and deburr; for push-fit, mark the correct insertion depth.
  3. Confirm pipe size and material (copper/CPVC/PEX) match this fitting.
  4. Make the connection per the product instructions (push-to-connect, thread, crimp, or solvent).
  5. Restore pressure gradually and check for leaks before closing up the wall.

📋 Specifications

Specifications
TypeFirestop Sleeve
BrandHoldRite (RWC family)
Size1" x 8"
Part NumberHfext81
Sold AsPack of 2

❓ Common Questions

What is the HoldRite Hfext81?

It's a firestop sleeve from HoldRite, the pipe-support, bracketing, and firestop brand in the RWC family.

How do I confirm it fits?

Match the size and connection type (and pressure/temperature rating for valves) against the specs above and your existing plumbing. Send us your application if you're unsure.

Is this a genuine HoldRite part?

Yes HoldRite is one of the brands under RWC (Reliance Worldwide). This is a HoldRite product, listed under its own brand rather than the RWC parent name.

Not sure this is the right part?

Send us your pipe size, connection type, and application and our team will confirm the fit.

Contact Us Form