POTT COMM WH EWM EXT MODULE AVS75

The POTT COMM WH EWM Ext Module AVS75 is a genuine Baxi Heating UK Ltd control component for Potterton Commercial systems. Identified by part number 397199, this electronic extension module is used with EWM-based controls to provide additional system functionality and communication capability on compatible appliances. Intended as an OEM replacement or expansion module, it should be installed and configured according to the manufacturer’s documentation by a qualified engineer.

• Manufacturer: Baxi Heating UK Ltd
• Brand/Range: Potterton Commercial (POTT COMM)
• Part number: 397199
• Model: EWM Extension Module AVS75
• Type: Electronic control extension module
• Application: Expands functions of compatible EWM control systems
• Compatibility: For use only with specified Potterton/Baxi appliances per manufacturer guidance
• Installation: Professional installation required
• Supplied: Module only