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The American Standard R523S is a dual-function thermostatic rough in valve designed for reliable performance in plumbing systems. This valve features an integrated diverter that allows the user to select between two or three separate shower outlets. Constructed with high-quality cast brass, it ensures durability and longevity. The valve supports back-to-back installation and includes spring-loaded check valves for effective flow control.
This thermostatic rough in valve is designed for versatility and safety in residential plumbing applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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