Description
The AERCO Boiler and Water Heater 5131-1 Aquastat Control Unit is a temperature control part that monitors boiler or water heater temperature and activates or interrupts the heating cycle to maintain the desired operating range. Regulating as a thermal switch, it responds automatically to changing water temperatures, assisting to regulate burner operation and prevent overheating. Mounted in boilers, water heaters, and hydronic HVAC systems, the control unit integrates with the system’s operating controls to support consistent water temperature, dependable heating performance, equipment protection, and efficient system operation.
