Description
The Caleffi 520516AC 3-Way Thermostatic Mixing Valve is blends hot and cold water to maintain a specific outlet temperature. Measuring 3/4″ and featuring a pressure gauge, check valve, and press union connections, it is installed in hydronic heating circuits, domestic hot water loops, and radiant heating systems. The valve adjusts the proportion of hot and cold water in response to temperature changes, preventing water from exceeding the set temperature. By controlling the water mix at the point of use, it regulates heat delivery to connected piping and equipment, maintaining precise temperature conditions within HVAC systems.
