Single pole rated at 25 amps with temperature rating set at 121?F. Best results are obtained when the bulb is installed in a dry well or groove tube at or immediately before the heater. This is a safety device! If it is found to be out of calibration, do not attempt to perform a field adjustment! Replace bad hi limit with a new one. Bulb Diameter: 5/16" Bulb Length: 2-3/4" Capillary Length: 12" Action: Single Pole Single Throw (SPST)
