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Buying guide · Published September 30, 2026

How Much Does a Smart Water Shutoff Valve Cost? Device, Install and Extras

A price tag above three horizontal bars labeled device, install and extras, showing that a smart shutoff valve costs more than the device alone
Illustration: DryLine Home

The sticker price is the easy part. A Moen Flo lists at $623.99 on Moen's own shop, but your final bill depends on a plumber, your pipes, an outlet, and whether you add a battery backup or a protection plan. Owner-reported installs range from a few hundred dollars to over $2,000, so the honest answer is a range, plus a few ways to bring it down.

By the DryLine Home Team. Independent research from manufacturer specs, published reviews and owner reports; we don’t lab-test products. About us

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Key takeaways

  • Device prices: DIY retrofit actuators start near $200 (the Zooz Titan listed at $199.95 before a hub and sensors). In-line units like Moen Flo list at about $600 and up.
  • Install quotes vary enormously. Owner reports run from about $700 to $2,250 all-in, and plumbing-company pages in Los Angeles and Dallas-area put whole-project totals around $2,900 to $5,100.
  • Extras add up: Moen lists a battery kit at $343.20, a three-pack of leak detectors at $153.68, and a 25-foot power cable at $16.37.
  • Plans cost more than they first appear. Moen's 36-month plans carry a cancellation fee equal to half the remaining payments.
  • Get two or three itemized quotes. The spread between plumbers is bigger than the spread between brands.

The short answer

Cost itemWhat we foundSource and date
DIY retrofit actuatorZooz Titan listed at $199.95, before a hub and leak sensorsAmazon listing, Sep 30, 2026
In-line unit: Moen Flo$623.99 for the 3/4-inch Flo Shutoff on Moen's shop; $608 on the 1-inch Amazon listingMoen shop and Amazon, Sep 30, 2026
In-line unit: Phyn PlusSeen from about $430 on sale to $699 listDeal posts and reviewer reports; check today's price
Plumber installationRoughly $700 to over $2,000 in owner reports; more with electrical work or repipingOwner anecdotes, not a survey
Whole project, per plumbersAbout $2,900 to $5,100 including the devicePlumbing-company pages (Los Angeles, Dallas area)
Appliance-level valve (washer)$286.72 to $344.99 on Amazon listingsAmazon, Sep 30, 2026

Treat the install figures as a spread, not a price. They come from individual owners and from plumbing companies' marketing pages, not from a survey.

Why installation quotes differ so much

One owner on an Amazon Q&A page said a plumber charged $695 including some piping. Another reported $2,250 all-in, including the unit and electrical work, and said the job felt fair given the labor. A third was quoted $2,200 for installation alone and thought it was out of line. They are probably all honest. The difference is in the house.

The extras people forget

Add-onPriceNotes
Moen Flo Battery Kit$343.20Moen's bundle pages say it gives up to four hours of protection in a power outage
Moen Smart Leak Detector, 3-pack$153.68Sensors for the places a main-line unit can't see
25-foot power extension cable$16.37Moen's unit needs an outlet within 10 feet
Wi-FiFree, if you have 2.4 GHz coverageMoen's unit uses 2.4 GHz only
Shutoff valve replacementVariesIf your main shutoff is old, replace it during the same visit

Moen lists these prices on its own shop as of September 30, 2026. Retailer prices move often.

Plans and subscriptions, side by side

OptionWhat Moen or the maker saysWhat to watch
Moen appFree, with no subscription required, per Moen's product pageThe app is moving from Flo by Moen to a newer Moen Flo app
FloProtect$5 per month; extends the warranty to five years and reimburses up to $5,000 of an insurance deductibleRead the terms; Moen says it is a warranty, not insurance
Leak Protection ServiceAs low as $17.99 a month plus a $49.99 activation fee, on a 36-month agreementCancel early and you pay 50% of the remaining payments
Moen bundlesEnhanced from $19.99 a month, Ultimate from $29.99, each for 36 months36 payments of $19.99 is about $720. Multiply before you sign
Phyn PlusNo ongoing subscription reported by reviewersConfirm on Phyn's site before buying
YoLink and ZoozApp and hardware without a service planYoLink's SMS alerts are limited

Is it worth it? A way to think about it

Add your costs: the device, the install quote, and any extras you'd actually buy. Then compare the total with two numbers you can find yourself: your homeowners deductible and what repairing a flooded floor would cost in your area. A low-end setup, a $624 device plus a $700 install, comes to roughly $1,300. A high-end one with electrical work and a battery can run well past $2,500.

Moen says homes with its Flo valve saw a 96% drop in paid water-leak claims in a LexisNexis study. Moen worked with LexisNexis on that study, so treat it as a manufacturer-linked result. Some insurers give a discount for a shutoff valve, and one owner reported $421 a year from Chubb. Discounts vary by carrier, so ask yours first. See our insurance discount guide.

How to keep the cost down

Check current prices

Prices change often, so check the live listings: Moen Flo, Phyn Plus (2nd Gen), YoLink shutoff kit, Zooz Titan actuator, and for the washer, Watts IntelliFlow.

FAQ

Common questions

How much does it cost to install a smart water shutoff valve?

It varies widely. Owner reports range from about $700 to over $2,000, and plumbing-company pages in Los Angeles and the Dallas area describe whole-project totals of roughly $2,900 to $5,100 including the device. Pipe material, wiring and local labor rates drive most of the difference.

How much is Moen Flo?

Moen's shop listed the 3/4-inch Flo Shutoff at $623.99 on September 30, 2026, with some configurations showing as sold out. Amazon listed a 1-inch version at $608. Sizes come in 3/4-inch, 1-inch and 1 1/4-inch.

Is the Moen Flo subscription required?

No. Moen says the app is free with no subscription required. Its optional plans include FloProtect at $5 per month and a Leak Protection Service on a 36-month agreement with a cancellation fee.

Can I install a smart water shutoff valve myself to save money?

Retrofit actuator kits are designed for DIY on an existing ball valve. In-line units mean cutting into your main line, and Moen recommends a licensed plumber. Some insurers also want a plumber's invoice before they give a discount.

Does a smart water shutoff valve lower homeowners insurance?

Sometimes. Some carriers give a discount or tie the device to a lower deductible, but many require a specific brand or professional installation. Ask your insurer before you buy.

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