Keep your home's hot water safe and comfortable with the Honeywell AMX Series Thermostatic Mixing Valve. This professional-grade valve is designed to prevent scalding by automatically mixing hot water from your heater with cold water to deliver a constant, safe outlet temperature, even if the incoming water pressure changes. Its big selling point is the 'DirectConnect' design – it's made to install directly onto the hot water outlet port of your water heater, which can save installation time and reduce the need for extra elbows and pipes. The temperature is adjustable with a simple 3/16\ Allen wrench. For safety, if the cold water supply gets interrupted, the valve will quickly reduce the flow to prevent burns. It's built tough with brass and stainless steel construction and Teflon-coated wear surfaces. This 3/4\ union sweat model doesn't require heat trapping and has an optional recirculation port for faster hot water delivery. It's an essential upgrade for family safety and consistent shower comfort.