Here's a quick overview of the technical specifications of Flo by Moen.


Flo by Moen Specifications
Please contact support@meetflo.com for any questions related to installation requirements.

Installation Requirements

Above ground and accessible main water supply line

Above Ground/Accessible Main Water Supply Line

Compatible with 3/4

Compatible with 3/4" to 1-1/2" Pipe Diameter (Consult a Professional)

Standard Power Outlet

Standard Power Outlet

iPhone or Android Smartphone

iPhone or Android Smartphone

Home Wi-Fi

Home Wi-Fi

In the Box

  1. Flo by Moen Smart Water Shutoff
  2. Threaded brass tailpieces
  3. Power supply
  4. Spare O-Rings
  5. Spacer
  6. Hex key
  7. QR code card (not shown)
  8. Installation guide (not shown)
What comes in the box when you by the Flo by Moen?


  • Mobile App with real time notifications, water usage analysis, and goal setting features.
  • Remote shut-off – from the mobile application, user has the ability to shut-off water wherever they are.
  • Automatic shut-off – if Flo by Moen senses a catastrophic leak in the home, it will automatically shut off the water supply to prevent damage.
  • Proactive 24/7 monitoring with preventative alerts to avoid catastrophic damage.
  • Microleak™ technology – daily tests to ensure your plumbing (not including sewage line) are secure.
  • Configurable alert and notification preferences.

The Flo by Moen

Dimensions & Other Helpful Information

Weight & Dimensions

  •    3/4″: 1.90lbs ; 5.75"W x 5.90"H x 2.60" D
  •        1″: 1.90lbs ; 7.36"W x 5.90"H x 2.60" D
  • 1-1/4″: 4.20lbs ; 7.00"W x 7.70"H x 3.40" D

Connectivity Requirements

  • iOS and Android compatible
  • WLAN Connectivity / IEEE 802.11bgn, 2.4 GHz frequency
  • Powered via plug-in AC to DC transformer
  • Power Supply: 12 VDC via 100-240V – 50/60 Hz switching type

Operating Conditions

  • International Protection Marking IPx5 Rating
  • Min temperature (3/4″ & 1-1/4″): 0°C / 32°F
  • Max temperature (3/4″ & 1-1/4″): 50°C / 122°F
  • Maximum ambient temperature (3/4″ & 1-1/4″): 140°F
  • Water-Resistant


  • Water Pressure
  • Water Temperature
  • Water Flow Rate
  • Flo by Moen is certified for use on cold water service lines only.



  • NSF/ANSI 61 – Drinking Water System Components – Health Effects
  • NSF/ANSI 372 – Drinking Water System Components – Lead Content
  • IAPMO IGC-349-2017 Electronic Plumbing System Integrity Protection Devices
  • UPC – Uniform Plumbing Code
  • IPC – International Plumbing Code
  • State of Massachusetts Plumbing Board Approval
  • cUPC – National Plumbing Code of Canada


  • UL 60950
  • UL 1310
  • CSA C22.2 #223
  • CE EN 60950

Flo System (Rated for Indoor and Outdoor Use):

  • UL 1951
  • CSA C22.2 No. 68
  • CSA C22.2 No. 14


  • FCC ID: PU5900-001 to CFR 47 Part 15 Subpart C

General Product

  • RoHS – Directive 2011/65/EU Compliant

Owner Support

Warranty Information

User Portal / Account Login

Support Articles & Troubleshooting

15194200 Gallons of water saved

Get Flo by Moen Smart Water Shutoff

29,722,209 Gallons of water saved by the Flo by Moen community

The best way to avoid water damage is to prevent it. Start protecting your home against leaks and water damage in a smart way.