Device profile · Specifications & compatibility
YoLink FlowSmart All-in-One Water Meter & Shutoff
YoLink · Water Shutoff Valves · Model YS5018-20
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- YoLink FlowSmart All-in-One Water Meter & Shutoff lists Installation Type: Inline valve; Pipe Sizes: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"; Offline Auto Shutoff.
- Distinguish an actuator fitted to an existing valve from an in-line device requiring plumbing work.
Browse more from YoLink or explore all water shutoff valves in our catalog.
- Recorded year
- 2025
- Recorded warranty
- 1 year
- Dimensions
- ?
- Weight
- ?
The details that shape your choice
YoLink FlowSmart All-in-One Water Meter & Shutoff Quick Features
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From specification to decision
YoLink FlowSmart All-in-One Water Meter & Shutoff: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
Offline automatic shutoff is listed, making the local trigger path a useful installation check. Verify the trigger path, power requirements and loss-of-connection behavior. The leak threshold, maximum usage and maximum duration per use are set on the device with an optional auto shutoff, and schedules and timers run on the device with no internet. YoLink also states automatic shutoff keeps working during internet or power outages.
View Offline Auto Shutoff details →A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. YoLink lists Home Assistant for this device. The official Home Assistant YoLink integration covers the previous model of the same product (YS5008-UC, FlowSmart All-in-One).
View Home Assistant details →
What to consider
Matter is listed as unsupported; check another documented integration if Matter is essential to your setup.
View Matter details →Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home.
View Apple Home details →
Questions About YoLink FlowSmart All-in-One Water Meter & Shutoff
What is the installation type of YoLink FlowSmart All-in-One Water Meter & Shutoff?
Installation Type: Inline valve. Distinguish an actuator fitted to an existing valve from an in-line device requiring plumbing work. Ultrasonic meter and motorized ball valve in one body that is plumbed into the pipe with female NPT fittings.
View Installation Type specifications →Which pipe sizes does YoLink FlowSmart All-in-One Water Meter & Shutoff support?
Pipe Sizes: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2". Check fittings, valve type and installation requirements for the exact model. Sold as separate 1/2" (YS5018-15), 3/4" (YS5018-20, this listing), 1" (YS5018-25), 1-1/4", 1-1/2" and 2" models (DN15 to DN50).
View Pipe Sizes specifications →Does YoLink FlowSmart All-in-One Water Meter & Shutoff support automatic shutoff without internet?
Yes, according to the listed specifications. Verify the trigger path, power requirements and loss-of-connection behavior. The leak threshold, maximum usage and maximum duration per use are set on the device with an optional auto shutoff, and schedules and timers run on the device with no internet. YoLink also states automatic shutoff keeps working during internet or power outages.
View Offline Auto Shutoff specifications →Does YoLink FlowSmart All-in-One Water Meter & Shutoff support Matter?
No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity.
View Matter specifications →Does YoLink FlowSmart All-in-One Water Meter & Shutoff work with Home Assistant?
Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. YoLink lists Home Assistant for this device. The official Home Assistant YoLink integration covers the previous model of the same product (YS5008-UC, FlowSmart All-in-One).
View Home Assistant specifications →Explore the full picture
YoLink FlowSmart All-in-One Water Meter & Shutoff Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
1 of 26 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Valve4 fields
| Installation Type | Inline valveDetails & conditionsUltrasonic meter and motorized ball valve in one body that is plumbed into the pipe with female NPT fittings. |
|---|---|
| Pipe Sizes | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2"Details & conditionsSold as separate 1/2" (YS5018-15), 3/4" (YS5018-20, this listing), 1" (YS5018-25), 1-1/4", 1-1/2" and 2" models (DN15 to DN50). |
| Motor Torque | Not applicable / unspecified |
| Valve Exercise | YesDetails & conditionsThe Valve Maintenance function cycles the valve on a weekly or monthly schedule set in the app, and it can be disabled. |
Leak Protection5 fields
| Flow Sensor | YesManufacturer sourceThe device measures water flow and usage. YoLink FlowSmart All-in-One Water Meter & Shutoff manufacturer product page →
The cited listing is the 3/4-inch pipe variant. It does not verify fit for every size in the broader catalog entry. Document check only; not a hands-on test or verification of every regional or firmware variant. Details & conditionsThe ultrasonic meter reports the meter reading, water usage per day, per month and per use, and the water temperature. |
|---|---|
| Micro Leak Test | No |
| Offline Auto Shutoff | YesDetails & conditionsThe leak threshold, maximum usage and maximum duration per use are set on the device with an optional auto shutoff, and schedules and timers run on the device with no internet. YoLink also states automatic shutoff keeps working during internet or power outages. |
| Wired Leak Sensor | No |
| Freeze Alerts | YesDetails & conditionsSends freeze warnings, and the app sets a high and low water temperature alert range. |
Connectivity6 fields
| 2.4 GHz Wi-Fi | NoDetails & conditionsThe manual states the device reaches the internet through a YoLink hub and does not connect directly to Wi-Fi. |
|---|---|
| Bluetooth | No |
| Z Wave | No |
| Zigbee | No |
| Thread | No |
| Other | LoRa (YoLink hub required)Details & conditionsUses the YoLink LoRa protocol, rated up to 1/4 mile in open air. A YoLink hub with an internet connection is required for the app and remote alerts. |
Features1 fields
| Automations | Yes |
|---|
Integrations6 fields
| Google Home | No |
|---|---|
| Alexa | YesDetails & conditionsYoLink lists Alexa among the platforms this device works with, set up in the YoLink app under Settings, Third-Party Integrations. |
| Apple Home | No |
| SmartThings | No |
| Home Assistant | YesDetails & conditionsYoLink lists Home Assistant for this device. The official Home Assistant YoLink integration covers the previous model of the same product (YS5008-UC, FlowSmart All-in-One). |
| Matter | No |
Power4 fields
| Wired | NoDetails & conditionsRuns on a built-in 3.6 V lithium battery and has no AC adapter. |
|---|---|
| Battery Type | 3.6V lithium 19000mAhDetails & conditionsNon-rechargeable lithium battery, included. Replacing it means opening the battery cover and reconnecting the battery wires. |
| Battery Life | 10 yearsDetails & conditionsYoLink states up to 10 years of battery life for its actuators and sensors with the Device-to-Device and Radio Wake-Up technologies. |
| Battery Backup | Not applicable / unspecified |
How this device compares
YoLink FlowSmart All-in-One Water Meter & Shutoff vs Other Similar Models
Statistical context from 10 water shutoff valves in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Flow Sensor: 4 of 10 known answers are Yes
Leak Protection: 40% among explicit Yes/No answers; 0 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Offline Auto Shutoff: 8 of 9 known answers are Yes
Leak Protection: 89% among explicit Yes/No answers; 1 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Automations: 10 of 10 known answers are Yes
Features: 100% among explicit Yes/No answers; 0 of 10 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
2 of 10 models are from YoLink
Counts water shutoff valves listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare YoLink FlowSmart All-in-One Water Meter & Shutoff vs Similar Water Shutoff Valves
See how YoLink FlowSmart All-in-One Water Meter & Shutoff stacks up against other water shutoff valves in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.