Shelly Flood S Gen4
S4SN-0071Z; VID 0x1490 PID 0x1826; CR123A; IP67
High confidence
2026-10-16 last checked
wifi transport
Specs
| Brand | Shelly |
|---|---|
| Model | Shelly Flood S Gen4 |
| Device type | Leak |
| Matter / firmware | Matter 1.3 (CSA25430MAT45954-24, certified 2025-06-30, fw 1.3.0-s1) |
| Transport | wifi |
| Thread role | n/a (Wi-Fi) |
| Confidence | High |
| Last checked | 2026-10-16 |
Platform support for this device type
| Field | Apple Home | Google Home | Amazon Alexa | SmartThings | Home Assistant | Homey | Hubitat |
|---|---|---|---|---|---|---|---|
| Pairs | Y | Y | Partial | Y | Y | Y | Unknown |
| Control | Y | Y | N | Y | Y | Y | Unknown |
| Starts automation | Y | Y | Unknown | Y | Y | Y | Unknown |
| Controlled by automation | N | N | N | N | N | N | Unknown |
| Confidence | Med | Med | Med | High | High | Med | Med |
Product notes
CSA End Product primary 0x0043 Water Leak Detector (Wi-Fi+Bluetooth). MatterCatalog + Shelly US: Matter-over-Wi-Fi; also Zigbee firmware mode on device (5× button) — Matter path is Wi-Fi. Maker lists Alexa Contact Sensor / Google Sensor State / SmartThings Water Sensor capabilities.
v0.50 High add (3-SKU thicken). CSA25430MAT45954-24 primary 0x0043 + Shelly US retail in stock ($27.99).
How it differs from the type answer
- Single battery probe with stainless triple-pad + built-in buzzer (vs ThirdReality KM1 two-part hub+sensors kit).
- Flood vs Rain detection modes; three alarm profiles (Intense/Normal/Economic).
- Platform exposure follows leak type matrix; no SKU-level automation test this pass.
Sources
- csa-iot.org · official · 2026-10-16
- us.shelly.com · retail · 2026-10-16
- mattercatalog.com · community · 2026-10-16
- matter-survey.org · community · 2026-10-16