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The American Standard R121 is a pressure balance rough valve body. It accommodates interchangeable bath/shower trim kits. The cast brass valve body provides quality and durability. The ceramic disc valve cartridge assures drip-free performance and allows temperature tuning. The pressure balancing valve cartridge maintains constant output temperature.
This pressure balance rough valve body features a ceramic disc cartridge and a brass body. It maintains constant output temperature and avoids failure due to mineral deposits.
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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