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Sensor Kit for Watkins Hot Springs No Fault Heater 39525, 39539

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Direct Replacement Sensor Kit for Watkins Hot Spring® No-Fault Heater with threaded thermistor sensor ports. These are compatible with Watkins 39525 and 39530 used in 2002 and newer No-Fault heaters. Not compatible replacement for pre-2002 model years.

  • Sensor Cable 36"
  • 1/2" threaded Hi-Limit Sensor with 2-Pin Molex connector and O-ring
  • 5/8" threaded Temperature Sensor with 4-Pin Molex connector and O-ring