1/4" X 1-1/2" Sensor Bulb, 14" Cable, 3-wire, 4-pin connector.
HydroQuip High Limit Sensor for Gecko M-SPA-1 and T-SPA, Hydroquip 4100, 6100, 7100 series, and EasyPak EP1500A, B, C series control systems.
This part #9920-400122 also called Hydroquip 34-0201 - will NOT interchange with 34-0201D.
