Universal Toilet Fill Valve Contractor 3-Pack

Fluidmaster 400ACN3P5 Universal Toilet Fill Valve – Contractor 3-Pack

The Fluidmaster 400ACN3P5 Fill Valve Assembly is a professional-grade, anti-siphon, height-adjustable toilet fill valve designed for reliability and code-compliant performance in both residential and commercial applications. This contractor 3-pack includes three 400A series valves, providing consistent replacement solutions for standard gravity-fed toilet systems. Built from corrosion-resistant materials, the 400A valve delivers long-term durability, quiet operation, and efficient water control while preventing backflow contamination through its integrated anti-siphon design.

Technical Specifications

• Product Code: 400ACN3P5
• Manufacturer: Fluidmaster
• Model: 400A Series
• Package Type: Contractor Pack (3 Valves Included)
• Valve Type: Universal Toilet Fill Valve with Anti-Siphon Protection
• Height Adjustment Range: 9 to 14 inches
• Application: Standard gravity-fed toilet tanks (1-piece and 2-piece configurations)
• Water Control Design: Quiet fill operation with efficient water usage
• Anti-Siphon Feature: Prevents contamination of potable water supply; ASSE and UPC code approved
• Material Composition: High-impact, corrosion-resistant polymer construction
• Operating Pressure Range: 20–125 psi
• Inlet Connection: Standard shank design for 7/8" ballcock connections
• Installation: Tool-free installation with adjustable height setting and included instructions
• Warranty: 5-Year Limited Manufacturer Warranty

Professional Application and Performance

The Fluidmaster 400ACN3P5 Fill Valve is designed for high reliability and ease of installation in both new and retrofit toilet systems. Its height-adjustable body allows precise fitment to tank sizes between 9" and 14", ensuring optimal fill performance and consistent water levels. The integrated anti-siphon system meets plumbing code requirements, preventing backflow into the potable water supply. Each valve features a precision refill mechanism for efficient water delivery and noise-reduction design for smooth operation. The 400A valve’s corrosion-resistant components withstand harsh water conditions and extended use, making it suitable for large-scale facility maintenance and professional service contracts.

Summary

The Fluidmaster 400ACN3P5 Contractor 3-Pack provides three high-performance, anti-siphon fill valves designed for professional-grade toilet installations and replacements. Each 400A valve offers adjustable height, code-compliant operation, and durable, corrosion-resistant construction to ensure long-term performance and consistent reliability in demanding service environments.