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Roughs/Valves

Flash® 2-Way Integrated Shower Diverter Rough-In Valve with Pressure Balance Valve Cartridge

The Flash 2-Way Integrated Shower Diverter Rough-In Valve, with pressure balance valve cartridge, is an innovative design developed by American Standard to make installation easier and showering more enjoyable. Featuring a flat back for flush mounting on the cross brace, and a compact body to accommodate tight spaces, the Flash Integrated Diverter Rough-In Valve delivers unmatched convenience and versatility. The pressure balance cartridge is equipped with ceramic disc valve and ceramic pressure balancing spool to ensure drip-free performance, a reduced risk of scalding, and resistance to harsh water conditions for exceptional durability and lasting performance.

No Finish RU521 DISCONTINUED   Substitution Available (RU520)
List Price: $355.00
Features Components Specifications Supporting Files Design Files 3D AR Viewer Videos
Features
  • VERSATILE INSTALLATON — Compact body and flat back for easy and solid installation
  • 2-WAY DISCRETE FUNCTIONALITY – Provides the ability to alternate water flow between 2 separate outlets
  • OPTIONAL SHARED CAPABILITY - Provides the ability to share water flow simultaneously from 2 outlets with the addition of shared cartridge, M970720-0070A, sold separately
  • 150° COMFORT RANGE — Provides a wider, more usable temperature range when fine-tuning water for the perfect shower
  • NO SOLDERING REQUIRED — Solid brass inlet connections for fast installation without adaptors, reducing leak points
  • QUALITY PRESSURE BALANCE VALVE — Double ceramic technology ensures faster adjustment to changes in water pressure to eliminate scalding, and a guarantee of drip-free performance for life
  • EXCLUSIVE PLASTER GUARD — Protects valve and acts as a guide during installation; can serve as mounting support for thin-wall installations
  • SELF-ALIGNING SCREW HOLES — Screw holes are easy to find; simplifies reattaching plaster guard to valve body
  • EASY SERVICING — Screwdriver stops for servicing at the valve
  • COMPATIBLE TRIMS — Designed for use with select American Standard trims: Town Square S, Townsend, Studio S, Delancey, Serin and Times Square
Technical Features
  • Made of casted DZR brass to resist corrosion
  • For use with Flash® 2-Handle Integrated Shower Diverter Trim
  • 1/2” NPT Inlets/Outlets
  • Valve ships with a 2-Way Discrete pressure balance cartidge
  • 2-Way Shared functionality requires RU521 valve, plus purchase of 2-Way Shared cartridge RP# M970720-0070A, sold separately
  • Compatible with Delancey®, Serin®, Studio® S, Town Square® S, Times Square® and Townsend® trims
  • Trim sold separately
Description
Net Weight
SKU
Color
List Price USD
Flash® 2-Way Integrated Shower Diverter Rough-In Valve with Pressure Balance Valve Cartridge
4 lb (1.8 kg)
RU521 *
No Finish (007)
355
Substitutions
Pressure Balance Valve Rough-In with Integrated Diverter
1 lb (0.4 kg)
RU520
No Finish
277


Models marked with * are discontinued, but product may still be available while supplies last.
Download Specification Sheet
Brand: American Standard
Category: Rough-ins Concealed Bodies
Color / Finish: No Finish
Collections: Roughs/Valves
Residential or Commercial: Residential
Subcategory: Thermostat Valve Rough in
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Specification Sheet

Installation Instructions

Replacement Parts
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