The Vaillant 0020049194 Printed Circuit Board is a genuine replacement main control PCB designed for use in compatible Vaillant boilers. As the central electronic unit, this PCB manages all key boiler functions, including ignition, burner control, pump and fan operation, temperature regulation, and system safety checks.

A faulty PCB can cause a wide range of issues such as ignition failure, unresponsive controls, intermittent operation, error codes, or total boiler shutdown. Replacing it with this genuine Vaillant component restores safe, stable, and efficient boiler performance.

Key Features

• Genuine Vaillant main control PCB

• Controls ignition, combustion, pump, fan, and safety systems

• Resolves electrical faults, lockouts, and operational failures

• Built to manufacturer specifications for reliability and longevity

• Direct-fit replacement for straightforward installation

Compatible With

Suitable for selected Vaillant boilers requiring PCB 0020049194.

Please check your boiler manual or existing PCB to confirm compatibility.