78%
Odds it works through 2029Last checked: October 14, 2026.
Phyn makes smart water monitors and shutoff valves that spot leaks from your main water line. It started as a joint venture between Belkin and the plumbing company Uponor, and since May 2025 it has been owned by an investor group led by Jonathan Scott.
CompanyPhyn, owned since 2025 by an investor group led by Jonathan Scott
Works withAlexa, Google Assistant and Apple Home
Needs the cloud?Partly. Leak alerts and the app need the cloud
Subscription for basics?No for basic leak protection. Phyn sells an optional plan
Past changesBelkin bought out Uponor in 2021 and sold Phyn in May 2025
How long devices get supportPhyn does not publish how long its devices get support.
Why 78%
- Starting point80%A smaller company that was sold in 2025.
- Track record0No Phyn products have been shut down.
- Works without the cloud−2Alerts and app control need the cloud.
- Our estimate78%
The good news: Phyn has new owners investing in it, and the valve can still be closed by hand.
The bad news: Phyn is now a small company after its 2025 sale, and its alerts depend on the cloud.
If you own Phyn
- Know where your main water shutoff is and how to use it.
- Check now and then that leak alerts still reach your phone.