Electronic controller, HOT and COLD
If you need to use a climatic control which operates the circuit in winter and summer, you will also require a control unit, art.9610. It comprises:
• HOT - COLD electronic controller
• Supply temperature probe
• External temperature probe
• Internal temperature + humidity probe
• Seat for supply probe
• Box for controller

Control units are supplied only in combination with art. 3490-3491-3568-3569-3570-3571