Gecko Tempreture Sensor

Made by Gecko

Thermostatic Probe Type 2

The probe slides in to the pocket somewhere (usually near the middle of the tub) so it is submersed in the water away from the heater. The red flat plastic 4-pin (3 wires) plug plugs straight on to the PCB.

Diameter: 9mm

Cable Length: 297cm

This temperature sensor works on Gecko, Spa builder and Hydroquip control systems.

it is easy to fit if your repairing your hot tub or spa because it simply plugs in on both ends.

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Product Specification

Manufacturers Code

MPN:  9920-400125

Product Attributes

Quick Find Code:  31702
Brand:  Gecko
Type:  Sensor

Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz

The following manuals are available for this product

Need More Detail?

At Hot Tub DIY we want to make it as easy as possible for you to repair your hot tub, the following guides relate to this product.

For a full list of guides please go to our Articles page and choose a section : Hot Tub Help Articles

Hot Tub Heater Guides

Customer Reviews