Kohler · K-33604-NA
Ready to buy
The retained reference is $540.04 current U.S. Kohler-store reference. Verify the live promotion, exact NA model, included fittings, app migration status and authorized support before purchase. Commission sensing, closure, manual recovery, alarms and every configured notification before relying on the installation.
Current market
Each line carries its own check date because price, software, specifications, and product cycle do not age at the same speed.
Verify the live promotion, exact NA model, included fittings, app migration status and authorized support before purchase. Confirm current stock, seller authorization, tax, delivery, fittings, valves, sensors, hubs, backup power, subscription, labor, permits and return terms before paying.
H2Wise+ fits Kohler-oriented service channels and buyers who value its current pricing and Phyn core more than buying Phyn's direct-branded package.
Other paths
These are not generic competitors. Each one represents a different way to buy into the same market.
Phyn
GROHE
What changed
Older observations stay in the ledger when the current view changes. That lets a buyer tell the difference between an old complaint, an active issue, and a problem that was corrected.
H2Wise+ was checked against manufacturer identity and support, current U.S. price, sensing and valve hardware, pipe and installation fit, power, connection and service, independent evidence and bounded owner or installer reports.
Each amount stays tied to its source and capture date. Conflicting prices remain visible until the seller resolves them.
Current reference priceA structured timeline will begin with the next source capture
Owner experience
Owner and installer evidence centers on adapter completeness, install difficulty, early alert behavior, manual override and app setup rather than a universal detection or prevention result.
These are self-reported or retailer- and manufacturer-presented experiences across different pipes, valves, pressure, water quality, sensors, power, networks, accounts, settings, installations, maintenance and leak events. They identify commissioning and service checks and do not establish standardized sensitivity, closure time, notification delivery, runtime, reliability, failure rate, flood or freeze prevention, safety, code approval, insurance eligibility, coverage or claim outcomes.Exact-product owner reports address difficult adapter sourcing, professional installation, alert behavior and early use. Some were promotional, and none establish long-term reliability.
Treat the pipe adapter and service route as part of the purchase and test the exact app, local valve and power-loss response after installation.
1 evidence recordSources
The page separates what a source states directly from what we conclude across sources.
Kohler identifies K-33604-NA as a Kohler-supported Phyn pressure-wave smart valve with whole-home monitoring and automatic closure.
$540.04 current U.S. Kohler-store reference was retained for K-33604-NA. Verify the live promotion, exact NA model, included fittings, app migration status and authorized support before purchase
H2Wise+ monitors pressure-wave events through a 1-inch NPSM in-line motorized valve powered by Phyn technology; it does not directly sense water on a floor without supported accessory sensors The system can close automatically after configured and learned events and supports remote or manual override; irrigation and long legitimate uses can trigger intervention if the home profile and modes are wrong Use a plumber for the in-line potable-water cut, correct adapter, pipe support and service access and check meter, PRV, well, backflow, irrigation and thermal-expansion placement; freeze alerts cannot stop exposed pipe from freezing
Kohler specifies 120 V, 0.8 A, 60 Hz service through the included AC supply; no included outage battery is stated, so manual access and a separate approved backup plan matter Wi-Fi, the designated app, cloud account and notification permissions underpin remote status and learning; household plumbing events and account data cross manufacturer service and privacy boundaries, and any Alarm.com monitoring is a separate service relationship Exercise the valve and manual override, confirm alerts and inspect joints after installation; current Kohler materials state a two-year smart-home leak-detector warranty, while power, network, app, scale, profile and external-water failures remain
EPA guidance emphasizes finding and repairing the physical leak. Monitoring or shutoff equipment does not itself repair pipe, fixture, appliance, drain or water intrusion.
Backflow and cross-connection control are plumbing-system and public-health functions. A smart valve does not replace required devices, testing, permits or local authority decisions.
Connected-device users should review app permissions, accounts, data collection, security and deletion. A local valve function does not remove cloud-data and notification boundaries.
Flood coverage and claims depend on policy, peril, documentation and event facts. Owning a detector or automatic valve does not guarantee coverage, a discount or payment.
Independent field coverage reports 40 days of H2Wise+ use and distinguishes the Kohler implementation, Phyn core, setup, water events and automatic shutoff.
Exact-product owner reports address difficult adapter sourcing, professional installation, alert behavior and early use. Some were promotional, and none establish long-term reliability.
Phyn Plus Smart Water Assistant and Shutoff 2nd Gen is the in-line whole-home automatic shutoff alternative at $579.99 current U.S. manufacturer-store reference.
Sense Guard Smart Water Controller is the in-line whole-home automatic shutoff alternative at $876.00 current U.S. list-price reference.
Manufacturer identity, exact current U.S. price, current specification, manual or support, independent editorial, test or professional-market evidence and bounded owner or installer evidence were checked on August 18, 2026. This desk covers supported complete residential whole-home flow or pressure monitors, motorized main shutoff systems, retrofit valve controllers with a coherent sensor branch, alert-only whole-home monitors and appliance-level automatic shutoff systems. It excludes loose sensors outside a coherent supported branch, standalone valves or actuators without the required controller, unsupported marketplace hardware, irrigation-only valves, commercial-only BMS, obsolete products and cosmetic multipacks or bundles. Sensor type and placement determine what can be observed. Flow, pressure-wave, utility-meter, clamp-on ultrasonic and direct-water sensors have different thresholds and blind spots. Valve size, connection, full-port geometry, direction, straight-run needs, pressure and temperature rating, potable-water approval, meter, PRV, well, treatment, irrigation, fire branch, thermal expansion, check valve and backflow placement are site facts. Alert-only systems never stop water. Automatic systems depend on configuration, learning, detector coverage, valve operation and available power. AC, batteries, backup modules and manual overrides have separate limits, and an internet-offline claim is not an electrical-outage claim. Apps, Wi-Fi, hubs, accounts, cloud analytics, subscriptions, monitored service, notifications, firmware and integrations have privacy, security, retention, outage, ownership-transfer and provider-continuity boundaries. Use qualified plumbing and electrical work and required permits, inspections and backflow review. Isolate electrical and water energy before service. Do not touch wet energized equipment. Hot water, contaminated floodwater, sewage, sewer backup, mold, frozen pipe, roof, drain, groundwater and water already stored in an appliance or tank can remain after a valve closes. Fix the source, dry and remediate materials and use emergency, utility, plumbing, electrical, public-health and insurance guidance. Product ownership or an insurer program does not guarantee a discount, eligibility, coverage or a claim. No sensor, valve, algorithm, test, alarm, app, cloud, battery, subscription, plumber, warranty or installation guarantees leak detection, automatic closure, flood or freeze prevention, notification, runtime, reliability, service life, mold prevention, property protection, code or permit approval, insurability, coverage or an insurance outcome.
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