Low Water Cutoff, Application Residential Boilers, Contact Form SPDT, Control Type Electronic, Enclosure Color Black, Enclosure Depth 1 13/16 in, Enclosure Height 1 in, Enclosure Width 2 11/16 in, Foam Compensation Non-Foam Compensating, Includes Test Button Test Button Included, Input Voltage 24V AC, Manufacturer Series LTR, NEMA Rating 1, Number of Switches 1, Product Type Low Water -Off, Relay Rating 1.5 A @ 120V AC, 1.5 A @ 240V AC, Reset Type Automatic