1/4" Closest Flange Extension Rings and Bolts

Product Overview

The Sioux Chief 886-RQK Closet Flange Extension Kit is a professional-grade assembly designed for flange height correction in finished floor installations. This kit includes three 1/4-inch PVC extension rings and 427-series mounting bolts, providing a secure, code-compliant solution when subfloor or tile buildup leaves an existing closet flange below the finished floor surface. Engineered for compatibility with standard 4-inch PVC and cast iron closet flanges, the components ensure proper seal integrity and flange elevation alignment.

Technical Specifications

• Manufacturer: Sioux Chief Manufacturing Company
• Model Number: 886-RQK
• Description: Closet Flange Extension Kit with Bolts
• Reference Number: 1999102
• Kit Contents:
  • (3) 1/4 in PVC extension rings
  • (1) Set of 427-series closet flange bolts
• Ring Thickness: 1/4 in (6.35 mm) each
• Total Adjustable Height: Up to 3/4 in (19.05 mm) when all rings are used
• Material: PVC (Polyvinyl Chloride)
• Hardware Material: Zinc-plated steel bolts
• Ring Design: Stackable extension rings with preformed bolt holes for precise alignment
• Flange Compatibility: Standard 4 in PVC, ABS, and cast iron closet flanges
• Application: Flange height adjustment when finish flooring (tile, laminate, subfloor) raises floor elevation
• Mounting Method: Mechanical bolt-through installation using provided fasteners
• Operating Environment: Suitable for interior plumbing systems and typical residential or light commercial applications
• Temperature Range: Compatible with standard ambient installation conditions
• Compliance: Meets applicable plumbing code requirements for water closet flange installation
• Function: Maintains proper closet flange elevation for secure bowl-to-flange sealing

Summary

The Sioux Chief 886-RQK Closet Flange Extension Kit includes three 1/4-inch PVC rings and 427-series bolts for correcting flange height during finish flooring installation. Designed for professional use, this kit ensures proper flange elevation, secure sealing, and compliance with standard plumbing code requirements in floor-mounted water closet applications.