Vaillant 0020252804 Heat Exchanger

The Vaillant 0020252804 is a genuine OEM primary heat exchanger designed to deliver efficient heat transfer and reliable performance across compatible Vaillant boiler models. This component is responsible for transferring heat from the burner to the system water, making it essential for maintaining optimal heating efficiency and preventing boiler faults related to poor circulation or overheating.

Manufactured to Vaillant’s high-quality standards, this heat exchanger is ideal for replacements, repairs, and restoring consistent heating output.

Key Features:

• Genuine Vaillant primary heat exchanger

• Ensures efficient heat transfer from burner to system water

• Helps restore lost boiler performance and energy efficiency

• Durable, corrosion-resistant construction

• Ideal for resolving issues such as poor heating, lockouts, or overheating

• Manufactured to official Vaillant OEM standards

Compatibility

The Vaillant 0020252804 Heat Exchanger is suitable for selected Vaillant boiler models, including:

• ecoTEC Plus range (specific models vary)

• ecoTEC Pro models

• Vaillant appliances that list 0020252804 in their parts manual

Installers should always confirm compatibility with the boiler’s service documentation or parts list.