The innovative KOHLER Rite-Temp valve system sets new standards for ease of installation, application versatility and long-term reliability, simplifying your plumbing project and providing maximum flexibility for future changes or upgrades. This Rite-Temp cartridge uses the latest thermostatic technology to maintain precise temperature control with an exact high-temperature limit for added safety and showering comfort. The Rite-Temp thermostatic cartridge project pack can be ordered separately, or as a valve and cartridge kit project pack (K-P28304-K), and paired with your favorite KOHLER trim.