WaterBlock WB-13 Point-of-Use Excess Water Flow Shut-Off Valve verify the following:

verify the following:

it delivers dependable pumping power without undue strain on the pump

PSI: 1400 GPH (gallons per hour)

No battery

WaterBlock WB-13 Point-of-Use Excess Water Flow Shut-Off Valve verify the following:For 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