Vaillant Connection Tube – 0020068956 (ecoTEC plus/pro, VU & VUW)

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Vaillant Connection Tube – 0020068956 (Heat Exchanger Connection)

Genuine Vaillant OEM copper connection tube used to link the primary circuit to the heat exchanger on popular ecoTEC boilers. Designed for a precise fit and reliable sealing.

  • Manufacturer: Vaillant
  • Part type: Connection tube / heat-exchanger pipe
  • MPN: 0020068956
  • GTIN / EAN: 4024074559161
  • Typical kit contents: Tube(s) with sealing washers (pack ref. 910478 shown on many listings)

Compatible appliances (examples)

Applicable across multiple Vaillant families (model/year dependent). Confirmed coverage includes:

  • ecoTEC plus – 600 & 800 ranges
  • ecoTEC pro – 24 / 28
  • VU / VUW series (selected models)

Always check your boiler’s data plate/parts list for MPN 0020068956 before ordering.

What this part does

Provides a secure, leak-tight connection between the boiler’s primary circuit and the plate/primary heat exchanger, maintaining correct flow and efficiency.

When to replace

  • Signs of leakage or corrosion at the heat-exchanger connections
  • Damaged or deformed pipe ends/seal seats
  • Following heat-exchanger or manifold replacement

What's in the box

  • 1 × Vaillant connection tube 0020068956
  • Sealing washers (commonly included; check your pack)

Installation & safety

Must be fitted by a qualified Gas Safe engineer. Renew all seals, torque fixings correctly and pressure-test after installation.

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