The Lawler Series 4000® Type T Shower Mixing Valve contains a highly sensitive thermostatic element that automatically responds to temperature and pressure variations by precisely proportioning water flow to maintain a constant outlet temperature, providing safe and comfortable showering. The Series 4000® features a thermostatically operated valve which protects against scalding and chilling. Lawler’s Series 4000® exposed valve body is designed with a flat wall mounting flange so the valve can be easily mounted onto a shower wall, spa tub, or cabinet assembly. The Series 4000® is available in many styles and combinations to meet field requirements in the temperature control of water, offering maximum convenience and flexibility.