Description
The Weil McLain 510312250 Aquastat W/1/2″ Well 140°F–240°F L4080B1036 L4080D1044 L4080D1250 is a temperature sensor in hydronic heating systems to regulate boiler water temperature. It recognizes heat levels through an immersed well and provides switching action to maintain safe operating ranges within the system. Used on gas-fired boilers and hot water heating equipment, it controls burner cycling and prevents overheating while supporting consistent temperature regulation. It is applied in residential and commercial heating facilities where reliable boiler control and stable thermal management are produced.









