12" / 305mm Balboa Temperature Sensor - sNA, SA, sNB, SB Error Fix

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$42 $63

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305mm Balboa Temperature Sensor. Common cause of SA, SB, or SN errors on Balboa Spa control systems. These sensors should always be replaced in pairs. Suits most GS, EL and other Balboa controllers with the M7 style heaters. This may solve Sensor errors.

Having a spare set of sensors is mandatory for any Spa technician. 


  • Single 4x core plug
  • Spa Sensor: 96" long
  • Heater Sensor: 31" long
  • Spa Sensor diameter: 3/8" or 9mm
  • Heater Sensor diameter: 1/4" or 6mm 

Other similar sensors:

    Balboa Water Group 53605

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