The Biasi Parva control knob resides on one of the spindles located on the front of the control panel and allows the user to manually control certain aspects of the appliance's functionality. Some boilers allow to change the temperature, and some even enable the user to change the current function. This means the user can have the boiler generate hot water without the central heating being turned on and vice versa.
Compatible with PARVA M90-24S, PARVA M90-24SR, PARVA M90-28S and PARVA M90-28SR
Fits multiple appliances
Technical specification
TypeControl KnobManufacturer Model NoBI1475102Brand NameBiasi