Product details An official Worcester Bosch part, this printed circuit board is suitable for use in Greenstar boilers. The control centre of a boiler, the printed circuit board (PCB) monitors and controls every process occurring throughout a system via switches, thermostats and sensors. It enforces safety measures too, shutting down boiler functions if internal readings indicate any fault such as high pressure or low water levels. What's included . PCB (USED, but working) . Low voltage harness (new) . Rubberised Power button (used) . Pcb back cover (new) . NO gas valve harness adaptor
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