Zurn Z400-3.5-U-EXT Hub Drain or Floor Drain Adjustable Strainer Extension

ZurnSKU: ZUR-Z400-3.5-U-EXT

Finish: Z400-3.5-U-EXT Cast Iron
Price:
Sale Price£48.00 GBP
Stock:
In Stock
Description

Z400-3.5-U-EXT / ZN400-3.5-U-EXT Adjustable Strainer Extension – 3-1/2" Threaded

The Z400-3.5-U-EXT (cast iron) and ZN400-3.5-U-EXT (nickel bronze) are Type U adjustable strainer extensions designed to accept 3-1/2" threaded shanks, providing installation flexibility and elevation adjustment in finished flooring applications. These extensions are ideal for pairing with the Z415 floor drain body system, helping to fine-tune the height of strainers during new installs or rework projects.

With a 3-7/8" MIP x FIP thread diameter, the extension allows for vertical adjustability while maintaining a secure fit in commercial and light industrial drainage setups. Choose between cast iron for rugged utility or nickel bronze for a more polished, visible finish.

Key Features:

  • Thread Size: 3-7/8" MIP x FIP – accepts 3-1/2" threaded shanks

  • Available in two material options:

    • Z400-3.5-U-EXT: Cast iron for durability in heavy-use areas

    • ZN400-3.5-U-EXT: Nickel bronze for aesthetic, exposed applications

  • Designed for use with Z415 and compatible floor drain systems

  • Ideal for flush installation with tile, concrete, or finished floors

  • Supports quick adjustments during retrofit or new installations

  • Alternate search terms: Z400U, Z400-U, ZN400U, ZN400-U, 400-U

Whether you’re working with high-traffic commercial areas or updating an existing drain layout, this strainer extension makes leveling and alignment simple and precise.

Payment & Security
American Express Apple Pay Diners Club Discover Google Pay Mastercard PayPal Shop Pay Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Estimate Shipping

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
Contact For Availability
Recently Viewed
Related Products