Description
High Limit Safety Switch
Essential safety component featuring single pole configuration with 25 amp capacity and factory-calibrated 121°F temperature threshold. For optimal performance, position the sensor bulb inside a protective dry well or groove tube located at or directly ahead of your heating element.
Specifications: 12″ capillary tube length, 1/4″ sensor bulb diameter
Important Safety Notice: This component protects your spa system from overheating. Should calibration testing reveal accuracy issues, replacement with a new unit is mandatory – never attempt field recalibration of failed high limit controls






