Great Compatibility--The 004892 Effluent Pump Switch fits for Zoeller 50 and 90 series pumps, models including 53,55,57,59,97 and 98. Perfectly compatible with for Zoeller 53-0001 Effluent PumpAutomatic Operation--Repair switch 004892 allows the pump to turn on and off automatically based on the water level. Prevent flooding and that water is efficiently dischargedPump Protection--By preventing unnecessary cycling and ensuring timely activation and deactivation, the switch reduces wear and tear on pump components. Enhance reliability and safety of the overall pumping systemWater Level Regulation--The kit offers adjustable pumping ranges, allowing for customization based on the water level requirements. Help the sump pump to remove groundwater from basement sumpSealed Construction--The gasket made of high-quality material. Featured sealed construction to prevent water or debris from interfering with switch's operationColor: BlackMaterial: plasticPackage Contents:1x Effluent Pump Switch KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.