
Z‑Wave Ecosystem – Seamless Integration with Z‑Wave Gateways
Rotary Control – Intuitive Dial Operation for Easy Adjustment
Remote Control – Access from Anywhere via APP
Reliable Temperature Control – ±0.5℃ Setting Accuracy
Child Safety – Key Lock Protection
Universal Compatibility – M30 Thread & Multiple Adapters
The SEA888 z-wave Smart Thermostatic Radiator Valve is a dependable entry into Z‑Wave‑based smart home heating – low‑power, interference‑resistant, and built for North American and European markets. As a Z‑Wave model in our SEA Series of multi‑protocol smart radiator valves, it connects to any standard Z‑Wave gateway for full remote control via the Tuya APP. Powered by 2×AA batteries for 1 year, it delivers ±0.5℃ setting accuracy with an intuitive rotary dial and clear LED display. Core features include 7‑day programming, child lock, frost protection, open‑window detection, anti‑scale, and geofencing. Ideal for homes and apartments where Z‑Wave is the preferred smart home standard.

Seamlessly connects to any standard Z‑Wave gateway. Compatible with major Z‑Wave controllers in EU and US frequency bands. Low‑power, reliable, with superior interference resistance.
Dial‑type operation allows precise and comfortable manual temperature adjustment. Clear LED display shows set temperature and room conditions at a glance.
Control heating from anywhere – office, commute, or vacation. Set schedules, adjust temperatures, and monitor rooms from your smartphone.
Precise 0.5℃ setting steps. Display range 0–50℃, operation range 5–30℃. Set your perfect comfort with confidence.
Long‑press to activate child lock, disabling all buttons. Prevents children or guests from unintended adjustments – especially valuable in rental properties.
Standard M30×1.5mm thread fits most radiator valves. Optional adapters (RA, RAV, RAVL, Caleffi, Giacomin, M28×1.5) ensure compatibility with 90% of existing installations.
| Model No. | Programmable | LoRaWAN | ZIGBEE 2.0 | WIFI | Power | Manual |
| SEA888-Z03 | √ |
√ |
|
Battery | download |
Power source: 2x1.5V alkaline AA batteries(LR6)(Don't use the rechargeable battery)
Temperature setting accuracy: 0.5°C
Temperature display range: 0°C~50°C
Setting temperature range: 5°C~30°C
Shipping & storage temperature: -10°C~60°C
Network frequency: Zigbee 2.0
Display screen:LED
IP class: IP21
Connection: M30x1.5mm
Contact our friendly customer service team for any questions, concerns, or suggestions. We'd love to hear from you.
Headquarters Hotline: +86 755 61218391 Headquarters Hotline +86 755 61218391
Headquarters Email: info@saswell.com
Tech Support Email: support@saswell.com
