Resideo L4006A1967 High/Low Limit Aquastat Controller-240°F Factory Stop

The Resideo L4006A1967 High/Low Limit Aquastat Controller is an essential feature for controlling the right temperatures in hydronic heating systems. This device acts as a safety and control in that it prevents the system from becoming too hot or too cold. In other words, it is a temperature controller that is ideal for the liquid applications such as boilers and tanks. Aquastat control is an electronic system that is constantly checking the liquid temperature and switching on or off heating elements accordingly to a determined program. This ensures that the system performs optimally and that harm, that can be caused by high temperatures, is kept at bay. The L4006A1967 operates at a temperature of 100°F to 240°F, and it comes with a factory set high-limit stop at 240°F.