0020020018 Heat Exchanger DHW 11 (13 Plates)

Vaillant 0020020018 Heat Exchanger DHW 11 (13 Plates)

This part fits the following:

• Vaillant ecoTEC PRO 24
• Vaillant ecoTEC PRO 24 R1
• Vaillant ecoTEC PRO 28
• Vaillant VUW 246/3-3 R1 (2006-2010)
• Vaillant VUW 286/3-3 (2005)
• Vaillant VUW 286/3-3 R1 (2005-2010)
• Vaillant VUW 246/5-3 (2012 Onwards)
• Vaillant VUW 246/5-3 R1 (2012 Onwards)

Rare part, now unavailable from most other suppliers.

Box is scruffy from storage.

A primary heat exchanger is found in all boilers, using heat from a burner to raise the temperature of the water in the system, while a secondary heat exchanger is present only in combis and allows the heat to be transferred between closed systems.