Smart Thermostatic Radiator Valve (TRV) with Zigbee 3.0 WKF400A

Smart Connectivity

• Tuya/Smart Life APP Control – Remote control of radiator valve anytime, anywhere

• Voice Control – Compatible with Amazon Alexa and Google Home for hands-free operation

• Zigbee 3.0 Protocol – Reliable wireless communication with gateway (required)

• Frequency – 2.4GHz

Intelligent Programming

• 7-Day Weekly Programming – Customize temperature schedules for each day

• 6 Time Modes Daily – Set different temperatures for early morning, going out, return, evening, eccetera.

• Example Schedule:

  • Early Morning (06:00) – 21°C

  • Going Out (08:00) – 16°C

  • Return (12:00) – 21°C

  • Going Out (14:00) – 16°C

  • Return (18:00) – 21°C

  • Evening (22:00) – 16°C

Smart Protection Functions

• Window Detection – Detects rapid temperature drop (>6°C in 4 minutes), automatically closes valve to save energy

• Anti-Scale Function – Automatically opens valve every 2 weeks and runs for 30 seconds to prevent scale buildup

• Antifreeze Protection – When system is off, valve opens if temperature <5°C, closes when >8°C

• Child Lock – Preents accidental adjustments for safety and stability

Monitoring & History

• Historical Temperature Queries – View temperature curves to track room temperature changes over time

Multi-User & Group Control

• Family Sharing – Share device control with family members (Mom, Dad, Joey, Kate, etc.)

• Group Control – Control multiple TRVs in different rooms together with one command

Easy Installation & Compatibility

• Universal Connection – Standard M30 × 1.5mm thread

• Maximum Stroke – 6mm

• Included Adapters – Compatible with various valve types:

  • Danfoss RA-01

  • Danfoss RAV-02

  • Danfoss RAVL-03

  • Caleffi valves

  • Giacomini valves

  • M28 × 1.5 valves

• Adapter Set Included: Danfoss RA, Danfoss RAV, Danfoss RAVL, Caleffi, Giacomini, M28 connectors

Energia & Batteria

• Power Source – 2 × AA alkaline batteries (LR6)

• Battery Life – Up to 6 mesi (half year)

• Low Battery Indication – Through APP notification

Display & Interface

• Built-in Display – Shows current temperature, mode, working status

• Manual Mode – Override programming with manual temperature setting

• Working Status – Heating indicator