Great Compatibility – The 004892 Effluent Pump Switch is compatible with Zoeller 50 and 90 series pumps, including models 53, 55, 57, 59, 97, and 98. It is also compatible with the Zoeller 53-0001 Effluent Pump. Automatic Operation – The 004892 switch enables automatic pump activation and deactivation based on water level, helping prevent flooding and ensuring efficient water discharge. Pump Protection – By minimizing unnecessary cycling and supporting timely activation and deactivation, the switch reduces wear on pump components and enhances system reliability and safety. Water Level Regulation – The switch features an adjustable pumping range to accommodate varying water level requirements, supporting effective groundwater removal from sump basins. Sealed Construction – Includes a high-quality gasket and sealed design to prevent water or debris from interfering with switch operation. Color: Black Material: Plastic Package Contents: 1 x Effluent Pump Switch Kit Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.