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RS-090 Washing Machine Leak Detection & Water Supply Shut-Off System

FloodMaster's Washing Machine Leak Alarm & Automatic Water Shut-Off Systems can help you prevent extensive water damage when a washing machine leaks.

When the FloodMaster sensor puck detects a water leak, the system sounds an audible alarm and the dual valve automatically shuts off both the hot and cold water supply lines.



  • Automatic Water Shut-Off
  • Audible Alarm
  • Reset Button
  • Transformer: 120 VAC, UL listed Actuator: CE listed
  • Reduce risk of water damage with automatic water shut-off of both hot and cold water lines – even if you aren't home to hear the alarm
  • Easy installation
  • System is reusable – when the alarm sounds, fix the problem and reset unit for continued protection
  • No wiring is necessary – simply plug in to a standard wall outlet (120 VAC)
  • Installation may make you eligible for an insurance discount
  • Transformer is UL listed; actuator is CE listed
  • Unit can interface with a home security alarm system or appropriate relay
  • Brass fitting; typical pipes
  • (2) high-pressure stainless steel hose, 6" long or greater, included
  • Power cord: 12 feet
  • All corrosion-free materials


RS-090 Washing Machine Leak Prevention System with Wired Sensor Puck

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The FloodMaster RS-090 is most commonly installed in conjunction with residential washing machines, in-line between the hot and cold water faucets and the water line connections on the washer.

The FloodMaster system provides constant monitoring and automatic water shutoff when leaking water comes in contact with the sensor puck. Place the sensor on the floor near or under the washer where water is likely to accumulate during a leak, and we'll take care of the rest!

Don't let this happen to you!

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RS-090 Washing Machine Leak Prevention System with Wired Sensor Puck

Item # RS-090....$339

made in the usa
We suggest utilizing a licensed plumber for all installations to ensure compliance with local codes.