ETL Listed; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off;
Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise;
Compatible with Clack V3186-06 WS1 fits Valves Produced in 2017 or Later; Does not work with most units produced prior to 2017 - You'll need the AC adapter for the older models.