Description
This Polypipe Slave unit plugs in to the Single Zone Master Unit PB1ZM and provides simple wiring of actuators & room thermostats for multiple zone control.
- Neon indicators show room activation.
- Provides up to 4 additional control zones - up to 4 actuators can be connected per zone
- It can also be plugged into another PB4ZS and PB1ZM combination to provide up to 8 additional control zones
