With the rise of IoT and cloud-based monitoring, the EWCM 900 S might appear "traditional." However, its allows it to connect to the Eliwell TTL2RS485 converter and ultimately to building management systems (BMS) or Eliwell’s cloud platform.
If you are looking for parts, retailers like Classic Automation or HOS BV often stock refurbished or new-old-stock units. eliwell ewcm 900 s