TW 21 programmable electronic fan-coil thermostat
Ventherm TW 21 programmable fan-coil thermostats are characterized by European design and high quality that are guaranteed by European design and production.
The power supply can be chosen by jumpers: 230 V - 24 V.
The valve control can be on-off, 3 point or PWM type.
TW 21 thermostats are suitable for controling electric heaters as well.
2-4-pipe unit fan and valve control
Remote NTC sensor (optional)
3 fan speeds+AUTO
Dirty filter alarm
Window contact, remote on-off
De-stratification function by launching the fan periodically
Start-up signal for other units (e.g. heat pump)