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Nibe Expansion Valve - 624937 TLEX-E0681 / R404 - ASHP

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Regular price Sale price £236.58 GBP
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Description

The NIBE Expansion Valve (Part No. 624937), also known as TLEX-E0681 / R404, is a genuine NIBE component designed for specific air-to-water heat pump models.


🔧 Product Overview

  • Product Name: NIBE Expansion Valve

  • Nibe Part Number: 624937

  • Valve Type: TLEX-E0681

  • Refrigerant Compatibility: R404A

  • MOP (Maximum Operating Pressure): +10°C

  • Superheat Setting: Adjustable

  • Design Features:

    • External pressure equalization

    • Fixed orifice

    • Durable stainless steel diaphragm

    • Solder connections

This valve ensures optimal refrigerant flow and system efficiency, making it essential for maintaining the performance of your NIBE heat pump.


✅ Compatible NIBE Models

The 624937 expansion valve is compatible with the following NIBE air-to-water heat pump models:

  • NIBE F2020 10 kW

  • NIBE F2020 14 kW

  • NIBE F2025 10 kW

  • NIBE F2025 14 kW

  • NIBE F2026 10 kW


⚠️ 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.

Nibe Expansion Valve - 624937 TLEX-E0681 / R404 - ASHP
  • Sold out £236.58