Pressure Balancing Unit for Single Control Bath Tub and Shower Faucets Valve for American Standard M952100-0070a R115 R110 R120 R125 Shower Cartridge

["Compatible with: The M952100-0070a shower cartridge replacement compatible with American Standard R110, R120, R115 and R125 series of pressure balance shower and tub control valve. Be sure to verify your model number before purchasing","Application: Pressure balancing unit reduces the chance of sudden changes in water temperature during showering by changing the hot and cold water supply pressure, making it easy to control the shower temperature and prevent burns","Premium Material: Shower cartridge for single control bath tub is made of durable plastic that fits securely into your retaining ring, making it functional and long-lasting. High-quality sealing rings ensure excellent sealing performance, prevent leakage and ensure reliable operation","Excellent Design: The diaphragm system with integrated check valve is carefully designed to eliminate cross-flow, and the pressure balancing unit also avoids failures due to mineral deposits, especially in hard water areas","Easy to Install: When installing standard shower valve, just turn off the water valve, remove the handle and old standard shower cartridge assembly, and then easily install the new standard shower valve, no special tools required"]