Gecko SSPA | MSPA Hi-Limit Sensor Assembly - 9920-400490 Raypak Parts The Hydro 4 dual-zone filter

The Hydro 4 dual-zone filter basket utilizes a one-click replacement design

running on 115 volts for efficient hot tub operation

simplifying the installation process and saving you time and effort

bugs and other buoyant debris and features a clear viewing window that lets you look inside to see when it needs to be emptied

Elevated base ensures better ventilation

Gecko SSPA | MSPA Hi-Limit Sensor Assembly - 9920-400490 Raypak Parts The Hydro 4 dual-zone filterProduct Description The Gecko 9920 400490 sensor assembly for hi limit. Gecko Part Number: 9920 400490 This sensor has been discontinued. Available while supplies last. Please contact us for details. Quick Specs Brand: Gecko Bulb Size: 1 4" Cable Length: 18" Use for: Hi Limit Important Information Do not purchase a sensor based on appearance alone. Many sensors share the same physical appearance, but may have different cable connectors, bulb size, or