Is the Phyn Plus 2nd Gen worth it?
The Phyn Plus 2nd Gen ($579.99) is a top pick with a 8.3/10 consensus score across 1 expert reviews. Experts highlight ultrasonic transit-time flow sensor with no moving parts and continuous whole-home flow, pressure, and temperature monitoring. Best for: Best-in-class whole-home detection (ultrasonic, no moving parts), Subscription-free ownership, Buyers who will use insurance device discounts.

Verified 13d ago
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Phyn Plus 2nd Gen
Sensors
SmartHomeExplorer proprietary rating
1 expert sources
The Phyn Plus 2nd Gen earns a SHE Score of 5.8/10, driven by strong reliability (7.3/10) with room to improve in compatibility breadth (2.3/10). Based on 1 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.3/10 across 1 sources
Updated:Key Features
- ✓ Ultrasonic transit-time detection
- ✓ Whole-home flow + pressure
- ✓ Integrated auto shutoff
- ✓ No subscription
- ✓ Alexa & Google
Best For
What Experts Agree On
What Experts Love
- ✓ Ultrasonic transit-time flow sensor with no moving parts
- ✓ Continuous whole-home flow, pressure, and temperature monitoring
- ✓ Integrated motorized ball valve for automatic shutoff
- ✓ No subscription — all monitoring, alerts, and shutoff included
- ✓ 2nd-gen housing roughly 25% smaller for tighter installs
Common Criticisms
- ✗ Professional plumber required to cut into the main supply line
- ✗ Fits 3/4-inch and 1-inch pipe only
- ✗ Roster's highest list price

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What The Experts Say
Ready to buy the Phyn Plus 2nd Gen?
Check Price on Amazon$579.99 · 1 expert sources · 8.3/10 consensus
Featured in these buying guides
See how the Phyn Plus 2nd Gen ranks against the full field in our Sensors buying guides.
Frequently Asked Questions
Is the Phyn Plus 2nd Gen worth it?
The Phyn Plus 2nd Gen earns a 8.3/10 consensus score across 1 expert sources and is rated "Must Buy". At $579.99, it is best for Best-in-class whole-home detection (ultrasonic, no moving parts). it ranks among the top picks in its category.
How much does the Phyn Plus 2nd Gen cost?
The Phyn Plus 2nd Gen is priced at $579.99. With a 8.3/10 score from 1 expert reviews and a "Must Buy" rating, that price represents fair value relative to the ~7.5/10 average for Sensors products. Prices shift often, so check the live figure before buying.
Who is the Phyn Plus 2nd Gen best for?
The Phyn Plus 2nd Gen is best for Best-in-class whole-home detection (ultrasonic, no moving parts), Subscription-free ownership, Buyers who will use insurance device discounts. Experts rate it "Must Buy" with a 8.3/10 consensus across 1 sources.
How does the Phyn Plus 2nd Gen compare to other Sensors options?
Among the Sensors products we have aggregated, the Phyn Plus 2nd Gen ranks above average with a 8.3/10 score. See our full category comparison for head-to-head details.
What smart home systems does the Phyn Plus 2nd Gen work with?
The Phyn Plus 2nd Gen works with Amazon Alexa. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the Phyn Plus 2nd Gen need a hub or a subscription?
No mandatory subscription — the core features work without a monthly fee.
What are the best alternatives to the Phyn Plus 2nd Gen?
If the Phyn Plus 2nd Gen ($579.99, 8.3/10) is not the right fit, the closest alternatives in Sensors are Frizzlife LP365, Moen Flo Smart Water Monitor, YoLink Water Leak Shutoff Kit. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Phyn Plus 2nd Gen?
The main strengths of the Phyn Plus 2nd Gen are ultrasonic transit-time flow sensor with no moving parts and continuous whole-home flow, pressure, and temperature monitoring. The most-cited downside is professional plumber required to cut into the main supply line. Overall, 1 expert sources rate it "Must Buy" with a 8.3/10 consensus score.
Sources & Methodology
This review aggregates 1 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 1 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.

