Standard 275-3287-00
Hi-Limit Swich - 1/4" x 12"

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 12" capillary length, 1/4" bulb thickness 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