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frontpageBlackEros posted May 03, 2026 01:37 PM
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frontpageBlackEros posted May 03, 2026 01:37 PM

Costco Members: Moen Flo Smart Water Monitor & Shutoff w/ 2 Smart Leak Detectors

+ Free S&H

$400

$500

20% off
Costco Wholesale
68 Comments 28,271 Views
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Deal Details
Costco Wholesale has for its Members: Moen Flo Smart Water Monitor & Shutoff w/ 2 Smart Leak Detectors on sale as listed below. Shipping is free.

Thanks to community member BlackEros for sharing this deal.

Available Sizes:
  • 1" Shutoff (990-006) $399.99
  • 3/4" Shutoff (990-001) $349.99
Features:
  • Compatible with Alexa Skills and Google Assistant
  • Smart Water Shutoff
  • Monitor Your Home's Water System
  • Requires Standard AC/DC Power Connection
  • Two Smart Leak Detectors Included

Editor's Notes

Written by qwikwit | Staff
  • Rated 4.2 out of 5 stars, based on 118 customer reviews.
  • The sale is valid through 5/31/26. While supplies last. Limit 2 per member.
  • If you don't have a Costco Warehouse Membership, you can sign-up here

Original Post

Written by BlackEros
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has for its Members: Moen Flo Smart Water Monitor & Shutoff w/ 2 Smart Leak Detectors on sale as listed below. Shipping is free.

Thanks to community member BlackEros for sharing this deal.

Available Sizes:
  • 1" Shutoff (990-006) $399.99
  • 3/4" Shutoff (990-001) $349.99
Features:
  • Compatible with Alexa Skills and Google Assistant
  • Smart Water Shutoff
  • Monitor Your Home's Water System
  • Requires Standard AC/DC Power Connection
  • Two Smart Leak Detectors Included

Editor's Notes

Written by qwikwit | Staff
  • Rated 4.2 out of 5 stars, based on 118 customer reviews.
  • The sale is valid through 5/31/26. While supplies last. Limit 2 per member.
  • If you don't have a Costco Warehouse Membership, you can sign-up here

Original Post

Written by BlackEros

Community Voting

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Top Comments

Seizure
236 Posts
174 Reputation
NJM reduced my premiums like 5% from this.

One advice, my model the turn knob is green, unsure if that means it's an older version as this costco one it's blue. THere's a magnetic spinner inside the device that as water flows it spins. The exposed magnet can rust which happened to me a year in and it no longer measured water flow. Moen replace the entire unit for me for free and before I installed the new replacement I put a little water based silicone over the magnetic parts and it's been 4 years with no issues.
teesee150
360 Posts
106 Reputation
I have one installed. It doesn't measure pressure anymore so is basically useless. App is total garbage as well.
dbernie41
1898 Posts
74 Reputation
The idea of these is great but I hear more negative than positive about them

68 Comments

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May 03, 2026 02:05 PM
3,433 Posts
Joined Dec 2005
Mr. SparklesMay 03, 2026 02:05 PM
3,433 Posts
Does this have any plastic in the water path?
7
May 03, 2026 02:13 PM
1,898 Posts
Joined Jun 2009
dbernie41May 03, 2026 02:13 PM
1,898 Posts

Our community has rated this post as helpful. If you agree, why not thank dbernie41

The idea of these is great but I hear more negative than positive about them
1
1
May 03, 2026 02:14 PM
7 Posts
Joined Dec 2011
joehiattMay 03, 2026 02:14 PM
7 Posts
We have had a Flo for three years now and absolutely love it. Haven't had any problems. I like that there's an easy physical valve as well as the smart/app controlled one. Haven't had any problems. It has occasionally decided an off-schedule shower is a peak but it calls before it turns the water off lol
1
May 03, 2026 02:53 PM
2,548 Posts
Joined Mar 2007
adam empireMay 03, 2026 02:53 PM
2,548 Posts
What is the best use case for this product? Like if it leaks, and you are away from home?
1
May 03, 2026 02:56 PM
85 Posts
Joined Nov 2021
Gml999May 03, 2026 02:56 PM
85 Posts
we had issues while it was learning but it's been sorted and working well ever since
May 03, 2026 02:59 PM
85 Posts
Joined Nov 2021
Gml999May 03, 2026 02:59 PM
85 Posts

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Quote from adam empire :
What is the best use case for this product? Like if it leaks, and you are away from home?
that or even when your home as well. It detects micro leaks that you wouldn't know about that can cause major damage over time...
2
May 03, 2026 03:11 PM
1,898 Posts
Joined Jun 2009
dbernie41May 03, 2026 03:11 PM
1,898 Posts
Quote from adam empire :
What is the best use case for this product? Like if it leaks, and you are away from home?
Yes, being able to remotely shut off the water if there is indication of a leak

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May 03, 2026 03:25 PM
7,415 Posts
Joined Aug 2007
lotsalotsadealsMay 03, 2026 03:25 PM
7,415 Posts

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Quote from adam empire :
What is the best use case for this product? Like if it leaks, and you are away from home?
Insurance discount.
1
May 03, 2026 03:31 PM
1,345 Posts
Joined Oct 2011
siddmonMay 03, 2026 03:31 PM
1,345 Posts
Does this work with smart things? Home assistant?

How expensive are the extra sensors?
May 03, 2026 04:02 PM
6,400 Posts
Joined Feb 2004
armedmetallicaMay 03, 2026 04:02 PM
6,400 Posts

Our community has rated this post as helpful. If you agree, why not thank armedmetallica

Quote from dbernie41 :
Yes, being able to remotely shut off the water if there is indication of a leak
and actually, it can and will auto-shutoff if a leak is detected, without manual intervention. Sometimes it's too sensitive - like someone taking a shower at an odd time, longer than normal, it'll kill the water.
3
May 03, 2026 04:03 PM
6,400 Posts
Joined Feb 2004
armedmetallicaMay 03, 2026 04:03 PM
6,400 Posts

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Quote from siddmon :
Does this work with smart things? Home assistant?

How expensive are the extra sensors?
It does - but not local, just cloud polling. which means they can just arbitrarily decide it's not worth their time, or that they can extract more cash from you by NOT allowing that to happen (like MyQ).
1
May 03, 2026 04:34 PM
901 Posts
Joined Aug 2005
dong888May 03, 2026 04:34 PM
901 Posts
I think smart water leaking detection devices (at 10%-20% of this price) will suffice already. Auto shutoff is great only if you don't have neighbors, friends or family nearby. Doing it insurance becomes the main reason.
4
May 03, 2026 04:38 PM
3,100 Posts
Joined Nov 2011
etphonehomeMay 03, 2026 04:38 PM
3,100 Posts
Quote from lotsalotsadeals :
Insurance discount.
Which insurance companies offer discounts?
May 03, 2026 05:24 PM
236 Posts
Joined Oct 2006
SeizureMay 03, 2026 05:24 PM
236 Posts

Our community has rated this post as helpful. If you agree, why not thank Seizure

NJM reduced my premiums like 5% from this.

One advice, my model the turn knob is green, unsure if that means it's an older version as this costco one it's blue. THere's a magnetic spinner inside the device that as water flows it spins. The exposed magnet can rust which happened to me a year in and it no longer measured water flow. Moen replace the entire unit for me for free and before I installed the new replacement I put a little water based silicone over the magnetic parts and it's been 4 years with no issues.
3

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May 03, 2026 05:29 PM
830 Posts
Joined Aug 2008
Ekeenan86May 03, 2026 05:29 PM
830 Posts
Im on the fence between this product and the other style that uses an actuator to manually turn off your existing water valve. I like that style because it doesn't require a plumber to install and you can take it with you at a future move.
1

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