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Glow-Worm S900847 ultimate 2 fuse type printed circuit board
Product Code: 440319
The printed circuit board or (PCB) is the control centre of the appliance. It oversees every process that occurs via the thermostats, sensors and switches. It also enforces the safety protocols, making sure that the boiler ceases to function if any of the internal readings point to any kind of error or fault. The printed circuit board is essentially the brains of the appliance, ensuring everything is running correctly and safely.
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