Old-Style Balboa Temperature Sensor (Pair) - sNA, SA, sNB, SB Error Fix - 30337

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$52 $85

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Temperature sensor set for older Balboa spa controllers. Generally suits Balboa controllers with a pressure switch on the heater tube. One sensor fits into a pocket in the spa wall, and the other slips into the heater element sleeve. Having a spare set of sensors is mandatory for any Spa technician. May resolve some sensor errors.


  • 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 30337

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