Gecko (9920-400122) Hi limit probe

A High Limit sensor probe by Gecko

The bullet probe slides into the pocket on the heater tube. It has a red plastic 4-pin (left to right - black, green, red, no wire) plug which fits straight into the PCB.

Probe Diameter: 6mm
Cable: 12 inches

Gecko Number: 9920-400122, Spa Builders and Hydroquip control boxes.

Arctic Spa, Artesian Spas, Coyote Spa, DIMENSION ONE SPAS® number: 01560-81, Gulf Coast, Hotspot, Hydrospa, Inspirations, LA Spas, Southwest Spas & Sunrise spas.

This hi limit sensor cannot be used with either the Gecko SSPA or MSPA Metapac (MP) series systems.

It works with the MSPA 1, 2 or 4 & TSPA systems.