This page lists the technical specifications for Radiator Thermostat and forms part of the larger Radiator Thermostat user guide.


Name: Radiator Thermostat.
Model number:
ZWA021.

Waterproofing: IP20 rating.

Z-Wave Plus Certified: Yes.

Certification ID: ZC10-19086734.

S2 Security: Unauthenticated.

Smart Start: No.

Repeater: No.

FLIRS: Yes.

Beaming: No.

Power supply: No.

Battery charger input: No.

Batterytype: 2 x 1.5 LR6 Mignon AA.

Battery life: up to 1 Year.

Operating temperature: 

0°C to 40°C.

32°F to 104°F.

Storage temperature:

-20°C to 65°C.

-4°F to 149°F.

Radio protocolZ-Wave Plus.

Z-Wave Hardware: ZM5202.

Operating distance:

Up to 50 meters outdoors.

Up to 164 feet outdoors.

Dimensions: 

Height - 89mm / 3.5inches.

Width - 56mm / 2.2inches.

Depth - 68mm / 2.7inches.

Supported Command Classes.

  • Association Grp Info
  • Association V2
  • Basic
  • Battery
  • Configuration
  • Device Reset Locally
  • Firmware Update Md V3
  • Manufacturer Specific
  • Notification V8
  • Powerlevel
  • Protection
  • Security
  • Security 2
  • Sensor Multilevel V5
  • Supervision
  • Switch Multilevel
  • Thermostat Mode V3
  • Thermostat Setpoint V3
  • Transport Service V2
  • Version V2
  • Zwaveplus Info V2