The Vaillant 0010028086 Printed Circuit Board is a genuine replacement main control PCB designed for Vaillant ecoTEC Plus VU and ecoTEC Plus VUW boilers. This board functions as the boiler’s primary control unit, managing all major operational and safety functions.

Function & Purpose

This printed circuit board acts as the boiler’s central control system. It processes information from sensors, thermostats, pressure switches, and flame detection devices, then controls ignition, burner modulation, pump operation, fan control, and safety shutdowns. A correctly functioning PCB ensures stable operation, efficient combustion, and accurate fault detection. Replacing a faulty board helps resolve issues such as ignition failure, intermittent operation, and persistent fault codes.

Compatibility

The 0010028086 PCB is specifically engineered for Vaillant ecoTEC Plus VU and ecoTEC Plus VUW models. It is manufactured to original equipment specifications to ensure correct fitment and reliable performance when installed in compatible boilers.

Build Quality

As a genuine Vaillant spare part, this PCB is built to high manufacturing standards. The electronic components and circuitry are designed to withstand the electrical and thermal demands of modern condensing boiler operation, ensuring long-term reliability and stable control.

Ideal Applications

This control board is ideal for heating engineers and service technicians carrying out diagnostics or repairs on Vaillant ecoTEC Plus boilers. It is particularly suitable when control faults, ignition issues, communication errors, or recurring fault codes indicate failure of the main PCB, helping restore safe, efficient, and dependable boiler operation.

If you want, I can keep producing this exact format for the rest of your boiler parts so everything stays consistent across your site.