Monnit’s WIT™ Wireless Water Sensor can be used in a variety of ways to sense the presence or lack of presence of non-volitile liquids, water levels, etc. In this Application Profile, we’ll be focusing on one of the more common uses of water sensors – monitoring water heaters for leaks and breaks.

Residential and commercial builders generally charge by the square foot, so they don’t like putting water heaters in livable/workable spaces. If no basement is available for the water heater, they generally install water heaters in the attic.

Without leading too much, you can see the issue with water heaters in the attic. First, “out of sight, out of mind” comes into play, where owners rarely even think about the water heater until they are out of hot water, or a leak is observed.

Second, most contractors and/or manufacturers of water heaters do not have a reliable leak notification system for the water heater. Their best efforts to date are to include a drip pan, or a local, audible alarm. But what happens if water springs from a water heater while no one’s around, or no one can hear the alarm?

Rather than wait around for a “visual notification” via wet sheetrock above a bed, or worse yet, coming home from vacation to find the water heater emptied it’s 50 gals onto the ceiling, Monnit’s low-cost, wireless water sensor provides 24 hour monitoring and alerts to via text msg to a cell phone (or an email to your Inbox). The minute any water shows up in the drip pan, a text message is issued from the Monnit sensor monitoring service (Monnit Sphere) notifying the receipient of a malfunction.

Monnit’s water heater solution is comprised of a water sensor with a 2′ lead, and a wireless USB gateway (total hardware cost of $80 + S&H) and $1/month to monitor the sensor. To get started, it’s as simple as:

  • Attach the water sensor to your water tank with the included double sided tape.
  • Plug the USB gateway into a PC, open a browser, and login to the Monnit Sphere.
  • Program in your cell phone number and your email address for the alerts.

No wires to worry about and no worry about batteries for at least five years.*

* Monnit’s wireless sensor runs on a small, lithium-ion battery. Through normal use (sensor heart beating every 2 hours), the user should expect 5+ years before the battery expires.

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