The NIBE compressor with part number 089839 is only compatible with a small number of NIBE heat pump models, Here’s a detailed overview of this compressor:

Product Details:
•     Part Number: 089839

Compatible NIBE Heat Pumps:
•     NIBE Fighter 2040 - 8kw
•     NIBE AMS 10-8
•     NIBE AMS 10-8/A

Installation Notes
•     This compressor is designed for NIBE Air Source heat pumps and may require professional installation due to refrigerant handling and system integration.
•     Always verify compatibility with your specific heat pump model before purchasing.