A replacement shower valve cartridge (model 1213) for Moen M-CORE 3-Series pressure balance valves to restore reliable water flow control.

【Technical & Professional】M-CORE 3-Series features intuitive single-lever control- lift to adjust water volume and rotate left/right to precisely regulate temperature from hot to cold 【Smart Mixing Valve Cartridge】Experience precision-engineered water control with our advanced pressure-balancing and volume-control cartridge, designed to deliver consistent flow and temperature stability 【Precision-Engineered】1213 Shower cartridge for moen is the exclusive valve core engineered for all M-Core 3-Series rough-in shower valves, ensuring smooth temperature control, leak-free performance, and long-term durability 【Leak-Proof Precision】1213 Replacement mixing shower valve cartridge delivers leak-proof reliability with precision-sealed washers and factory lubrication for smooth installation. Engineered to last, it ensures a perfect seal—no drips, no worries 【Reliable Warranty】1213 Cartridge is backed by a 1-year limited warranty against defects in materials and workmanship. If your cartridge fails under normal residential use during this period, we'll provide a replacement—no hassle, no charge.