API Drain Plug De-Icer

For Rubbermaid® tanks only. This drain plug de-icer fits securely into the tank's drain hole to keep the heating element away from livestock. Butterfly-shaped heating element is thermostatically controlled with over-temperature protection for safe, efficient use. Recommended for 100-300-gallon Rubbermaid tanks. Safe for horses and other livestock. 6-foot cord with durable anti-rub protector. LOCKNDRY compatible. 1500 Watts, 120 Volts, 60 Hz. cULus Listed. One year warranty. Designed for use in Rubbermaid® tanks only. Mounts securely in stock tank's drain plug. Thermostatically controlled with over-temperature protection. 6' anti-rub cord. cULus Listed. [instruction]INSTALLATION INSTRUCTIONS 1. Unscrew plastic nut on the outside of Rubbermaid® tank. Save the nut and rubber washer. 2. Remove drain plug assembly. Save the rubber washer. 3. Insert one rubber washer over the cord and onto the de-icer. This washer should rest against the red plastic plate at the end of the threaded sectio