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Product Image WaterBlock Excess Water Flow Shut-Off Valve

WaterBlock WB-13 Point-of-Use Excess Water Flow Shut-Off Valve

$ 99.00

Model No. WB-13-R
Manufacturer: WaterBlock

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 continuous water flow cycle.
  • Ideal uses include: washing machines, dishwashers, icemakers, drinking fountains, or any water line that would not normally exceed 13 gallons of continuous water flow.
  • Includes external reset unit.

Technical Details

  • Water Flow Rates: minimum of 0.5 GPM; maximum of 7.9 GPM
  • Water Volume Rates: between 1 and 13 gallons
  • End Connections: Female Thread, 1/2”
  • Length: 7” without reset, 9” with reset. Weight 12 oz.
  • Expected Life: Approximately 80,000 gallons total water volume before replacement.
  • WaterBlock is not a whole house shutoff valve. Instead, you install it in the water line feeding a particular fixture or appliance.
  • WaterBlock must be mounted vertically, with water flow either up or down.

Shipping Information

  • Free standard ground shipping to the continental USA.
  • Canadian customers: We must process your orders over the phone. To place an order, call us at 800-318-4159. Ground shipping to Canada is $23 (includes customs duty).
  • Call us for quotes to Alaska and Hawaii, or for Second Day or Next Day Air Shipping quotes.

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