Gecko Hi-Limit sensor - MSPA-1-4/TSPA

This Gecko sensor provides a safety cut-off if the water temperature becomes too hot due to a defect elsewhere in the control system. It is designed for M-Class (MSPA-1-4) and TSPA control systems.

Dimensions
Cable length: 76" (193 cm)
Sensor diameter: 1/4" (6 mm)
Plug: 4 sockets with 3 cables (red, black, green). The fourth socket is blocked.

Part numbers
Gecko: 9920-400684
Hydroquip: 34-0201B