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Gecko Hi Limit Sensor Probe (replacement 9920-400446)

Gecko Hi Limit Sensor Probe SSPA / MSPA


Connections: The probe slides into the pocket on the heater tube. The flat plastic 2-pin plug plugs straight onto the PCB.


Replacement for Gecko 9920-400446


Dimensions: Diameter: 6 mm. Cable Length: 48 inches.


Commonly Used With: Gecko SSPA systems and the Gecko MSPA Metapack (MP) series systems. It is not compatible with MSPA 1, 2, 4, or TSPA. This probe is designed for It also works with some Spa Builders and Hydroquip systems.


  • Brand
  • Product Type
  • Sensor Function
Brand: Gecko
Product Type: Sensor Probe
Sensor Function: Hi Limit