Manufacturer Name: Resideo Product Number: L6006C1034 OEM Part Number: L6006C1034 The Resideo L6006C1034 Circulator Aquastat is a multifunctional control device intended for use in hot water and hydronic heating systems. It serves as both a circulator control and a high or low limit switch, ensuring accurate temperature regulation for peak system performance. https://www.partshnc.com/l6006c1034-resideo-hilo-limit-aquastat-wcirctrl