WaterBlock WB-13 Point-of-Use Excess Water Flow Shut-Off Valve When water rises above the

When water rises above the normal high water level in your sump pit

This loud (85 decibel) alarm has its own dedicated float and 2 power sources: 110 volt power cord and battery backup

All it needs to operate is water flowing through it

Basepump RB750 removes 2 gallons of sump water for every 1 gallon of municipal water used

WaterBlock WB-13 Point-of-Use Excess Water Flow Shut-Off Valve When water rises above theFor other volume based shutoff systems, see our flow rate based water leak detector category page. Quick Summary Excess water flow shut off valve; Operates automatically. Helps to prevent or minimize water damage from a malfunctioning appliance by shutting off the water flow if its volume becomes excessive. Does not require electric power. All it needs to operate is water flowing through it. For applications that do not exceed 13 gallons per