The NIBE Expansion Valve (Part No. 624928), also identified as 068U3301, is a genuine replacement component designed for specific NIBE air-to-water heat pump systems utilizing R407C refrigerant.

🔧 Product Overview

• Valve Type: Thermostatic Expansion Valve (TXV)

• Nibe Part Number: 624928

• Manufacturer Code: 068U3301

• Refrigerant Compatibility: R407C

• Function: Regulates refrigerant flow into the evaporator, ensuring optimal system performance and efficiency.

✅ Compatible NIBE Models

This expansion valve is compatible with the following NIBE heat pump models:

• NIBE F2005 10 kW

• NIBE F2010 8 kW

These models are part of NIBE's air-to-water heat pump range, designed for efficient heating solutions.

⚠️ Common Faults Associated with Expansion Valve Issues

Malfunctions or failures of the expansion valve can lead to several system alarms and operational issues, including:

• Low-Pressure (LP) Alarms: These alarms may occur due to insufficient refrigerant flow, often resulting from a faulty or blocked expansion valve.

• Fan Alarms: An improperly functioning expansion valve can cause abnormal system pressures and temperatures , leading to fan alarms.

Regular maintenance and timely replacement of the expansion valve are crucial to prevent these issues and ensure the longevity of your heat pump system.