Amtrol SmartControl w/ Thermistor

SmartControl w/ thermistor works with all SmartControl water heater models. Features Diagnostic error codes to assist in troubleshooting 24 or 120 volt input capability Built-in relays w/ replaceable fuses Intelligent "Memory Save" feature that eliminates post-outage resets Low-voltage capability to guard against shutdown during brownout conditions Color-coded and clearly labeled wire leads for ease of installation