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Home  | Indoor (1613)  | Business and Home Safety (446)  | Water Management Devices (79)  | Appliance Water Shut-Off Systems (24)

On-Site Pro Floodstop for Washing Machines, FS 3/4-H90

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Currently In Stock (11/17/2018)
Floodstop Washing Machine Water Shut-Off Valve for 90 Degree Down 3/4 Inch Outlets
Control floods from broken washer hoses or washing machine leaks with On-Site Pro FloodStop.  Automatic water sensor activated water shut off valve with water alarm.  Floodstop FS3/4H-90 responds immediately to wet sensor (included) to shut off water intakes into  washer. Loud water alarm sounds alert.  Washing machines and washer intake hoses can fail or rupture at any time. Avoid  water damage.  The original  Floodstop FS3/4H-90 is a single appliance automatic water shut-off system named by Readers Digest as one of the best 100 new products of 2004.  This newest unit has battery back-up (4 AA Batteries, Not included), a smaller controller unit and uses AC power. Note: Sensor is standing on its side under the plastic insert. 

Washer Flood Stop
Technical Specifications
  • UL Listed class 2 wall adapter, 115ac/9v dc.
  • Runs on 4 AA Batteries and/or AC Adapter.
  • Signal outputs: (2) one normally open and one normally closed.
  • Motorized ball valves (2): CNC machined.
  • Motors operate at 6v dc.
  • Rated 0-180 psi. Max 250 psi. Solid brass.
  • Rated 32-212° F.
  • Alarm: beeping with mute button.
  • Water Sensor: 1.25" X 7.5", double sided, located under plastic insert within box. Additional sensors may be added in series.
  • AC Adapter Cord Length: 6 Ft
  • Wire Length from the Controller to the Valve: About 30 Inches Long.

FloodStop On-Site Pro Controller:

  • 3 buttons: Mute, Close Valve and Open Valve.
  • Water Sensitivity adjustment. Clockwise: less sensitive. Counter Clockwise: More sensitive.
  • 6-pin connection to valve/sensor connector.
  • Outputs: 2. One normally opened and one normally closed. Contacts for any device that can utilize them, like auto phone dialer, alarm systems, X10 home automation devices.
  • One Year Limited Manufacturer Warranty.
Flood Stop FS3/4H-90 for washing machines has two 3/4 inch hose threaded motorized ball valves with 90 degree downward brass outlets. Water damage control from hot and cold water intakes. A water leak sensor signals the FloodStop to shut off both intakes when a water leak is detected under your washer. A loud water alarm sounds an alert. Use also on home dialysis machines.

Washing machines and washer intake hoses can fail or rupture at any time.
  • Avoid extensive property damage and expensive repairs.
  • Automatically shuts off hot and cold water supplies when leak is detected.
  • Homeowner or maintenance person can quickly install.
  • Contains extensive damage to floors below.
  • 24-hour protection, every day.
Only water to the washing machine is shut off. This "Point-of-Use" system is a do-it-yourself project that takes minutes to install.

To install, connect the two Floodstop Valves to the hot and cold water supply lines. Mount control unit to wall. Place sensor(s) on floor. Units are operated by either by 120 vAC adapter (included), Batteries OR BOTH!

NOTE: DO NOT PLACE SENSOR DIRECTLY ON METAL PAN OR DAMP FLOOR. If no water is present and sensor sounds alarm, that means there is moisture from the floor making a complete circuit of sensor and unit. Place a  cloth under sensor to "insulate" against dampness of floor or metal of pan. Once the paper or cloth gets wet, the sensor will activate the shut-off and sound the alarm. Sensor will sound if placed on metal.

Caution: Hand tighten the washing machine hoses. If you use a wrench or over-tighten the hoses, you may cause the rubber/plastic gasket to distort causing leaking from the washer hoses.

Kit Contents: everything you need to protect your property:
  • Two 3/4" motorized ball valves with hose fittings to install on both hot and cold water inlets.
  • Water sensor to place on the floor. If there is a washing machine drain pan, purchase another sensor to place inside pan.
  • Control Unit to be mounted with screws or Velcro (included).
  • AC Adapter and/or AA batteries for power source during power outages.
Controller has Reset and Test Buttons to Turn Water On and to Turn Water Off.
  • No special tools needed for installation: Mount with velcro or screws (provided).
  • Save space with the FloodStop angled motorized ball valves.
  • Designed to fit all brands of wall boxes.
  • Designed for commercial, residential, condo and apartment dwellings.
  • Automatic motorized ball valve closes both hot and cold valves to shut off water supply when sensors detect water from washing machine leaks.
  • Automatic monthly cycling of the valves.When Leak Detected: Water supply shuts off. Alarm sounds.

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