Resideo High Limit Immersion Aquastat, 100-200°F Range, 8°F Differential

Note: This product does not come with a well. Overview Immersion type controllers for hydronic heating systems that turn off the burner whenever the boiler water temperature rises to the setpoint. Vertical mounting. Features High Limit Aquastat Controller has adjustable set point. Models available for use with immersion wells or for direct immersion if faster response is needed. A factory-set stop is available on L4080 to prevent setting the control at too high a temperature. Models available with second limit switch to shut off all gas to the burner. Liquid fill in sensing element expands as the boiler temperature rises. At the set point temperature, a diaphragm-actuated snap switch breaks the power supply to the burner primary control. Product Specifications Application: Immersion type controllers for hydronic heating systems that turn off the burner whenever the boiler water temperature rises to the set point. Insertion depth: 3 in. Temperature Range (F): Maximum - 40 F above setpoint or 265 F, which ev...