Skip to content
Contact Us Shipping & Returns Ordering Information Order Status About Us FAQ Contractor Program
Hydro-Blok 4.5" Mixing Valve Seal - Waterproof Seal for Plumbing

HYDRO-BLOK Mixing Valve seal

Waterproof Seal for Shower Mixing Valve Openings

$0.00 - $0.00
$0.00
$15.46
$15.46 - $15.46
$15.46
HYDRO-BLOK  |  MPN: HBVALVESEAL  |  UPC: 658906151434
Free Shipping Eligible
Availability:
12 in stock!

Mixing Valve Seal Specifications

  • Application: Waterproof sealing around mixing valve penetrations
  • Overall Diameter: 9-1/4 in
  • Opening Size: 4-1/2 in
  • Material: Moisture-resistant composite
  • Installation Area: Tiled shower and tub wall assemblies
  • Function: Maintains waterproof continuity around valve openings

The HYDRO-BLOK® Mixing Valve Seal is a waterproofing accessory designed to seal 4-1/2" mixing valve penetrations in tiled shower and tub wall assemblies. It creates a watertight seal around valve openings within bonded waterproofing systems.

Key Features
  • Watertight Seal: Seals around mixing valve penetrations.
  • Continuous Waterproofing: Maintains waterproofing at valve openings.
  • 4-1/2" Opening: Sized for standard mixing valve penetrations.
  • Moisture-Resistant Construction: Designed for wet-area installations.
  • System Compatible: Integrates with shower and tub wall waterproofing systems.
  • Direct Installation: Installs around mixing valve openings.
Best For
  • Mixing valve penetrations in shower walls
  • Mixing valve penetrations in tub surrounds
  • Bonded waterproofing systems
  • Tile shower waterproofing installations
  • Preventing water entry around valve openings

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized Hydro-Blok Dealer
HYDRO-BLOK Mixing Valve seal $15.46

Description

The HYDRO-BLOK® Mixing Valve Seal is a waterproofing accessory designed to seal 4-1/2" mixing valve penetrations in tiled shower and tub wall assemblies. It creates a watertight seal around valve openings within bonded waterproofing systems.

Sized for standard mixing valve openings, the seal installs directly around the valve penetration and integrates with shower and tub wall waterproofing assemblies.

Specifications

Specification Details
Overall Diameter 9-1/4"
Opening Size 4-1/2"
Material Moisture-Resistant Composite
Application Mixing Valve Penetrations

Frequently Asked Questions

What size mixing valve opening does this seal fit?
The HYDRO-BLOK® Mixing Valve Seal is designed for 4-1/2" mixing valve penetrations.
Where is this seal used?
The HYDRO-BLOK® Mixing Valve Seal is used around mixing valve penetrations in tiled shower and tub wall assemblies.
Does this seal work with waterproofing systems?
Yes. The HYDRO-BLOK® Mixing Valve Seal is designed for use with bonded waterproofing systems.
What is the overall diameter of the seal?
The HYDRO-BLOK® Mixing Valve Seal has an overall diameter of 9-1/4".
Free Shipping $200+

On Eligible Orders

FAST U.S. SHIPPING

In Stock & Ready to Ship

30 Day Returns

Easy, Hassle-Free Returns

Contractor Pricing

Exclusive Trade Discounts