The Glow-worm Printed Circuit Board 20118159 is a genuine replacement PCB designed for multiple compatible Glow-worm boilers. Acting as the boiler's control centre, it monitors sensors, switches and thermostats to ensure safe, efficient and reliable heating system operation.
The Glow-worm Display Printed Circuit Board 0020038061 is a genuine replacement boiler control component designed for compatible Glow-worm heating systems. Operating at 230V, this PCB controls and monitors key boiler functions, sensors and safety systems to ensure reliable performance.
Genuine Vaillant 130438 Printed Circuit Board replacement for compatible ThermoCompact and TURBOmax boilers. The PCB acts as the boiler's central control unit, monitoring sensors, thermostats and safety functions to support reliable operation.