Thermostatic Water Mixing Valve with 1.5 GPM (3.7 l/min) minimum, flow capacity, Integral combination checkstops with wall support, 125 PSI (8.6 BAR) maximum perating pressure, Copper encapsulated thermostatic assembly with Teflon coated stainless steel shuttle, Locking temperature regulating handle, Internal parts of brass, bronze and stainless steel, Outlet volume control / shutoff, vacuum breaker, Factory assembled and tested