This Glow-worm brand printed circuit board is compatible with Flexicom, Ultracom and Ultimate 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.
Please always refer to the manufacturer's instructions for the correct application. All parts should be fitted by a qualified plumber.
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Suitable for following appliances:
• 24 H