ZURN Extension: Cast Iron

The ZURN Z400-U cast iron extension ring is used to raise the height of a floor drain assembly in commercial or industrial plumbing applications. Its threaded connection allows for secure vertical adjustment to match finished floor levels, ensuring proper drainage and compliance with building codes.

The ZURN Z400-U extension ring is made of cast iron with a threaded connection type. The manufacturer part number is Z400-U. It is designed specifically for floor drain assemblies, providing a durable, corrosion-resistant extension solution for commercial and industrial drainage systems.

3G Electric supplies the ZURN Z400-U cast iron extension ring to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this threaded floor drain component.

To install the ZURN Z400-U, clean the existing drain threads, apply pipe thread sealant, and hand-tighten the ring onto the drain body. Use a strap wrench to snug it without over-tightening. Verify the ring is level with the finished floor before securing the drain grate.