Genuine Glow-Worm S900847 Printed Circuit Board replacement for compatible Glow-Worm boilers, including LPG models and Honeywell interface systems. This boiler control board manages electrical functions for reliable heating system operation.
Genuine Glow-Worm Main Printed Circuit Board 20023825 replacement for compatible Flexicom and Ultracom boilers. This essential boiler control component manages sensors, thermostats and safety functions to ensure reliable boiler operation.
Genuine Glow-Worm Interface Printed Circuit Board 20027897 for compatible British Gas, CXI, HXI, C-CI, SXI and SI boilers. This replacement boiler PCB manages sensors, thermostats and safety functions for reliable system control.