The printed circuit board or ( pcb ) is the control centre of the appliance. It monitors and controls every process that occurs via the switches, sensors and thermostats. It also enforces the safety protocols, making sure that the boiler ceases to function if any of the Internal readings poInt to an error in the boilers processes. The printed circuit board is effectively the brain of your boiler. It is programmed to ensure everything is running as it should.
Please always refer to the manufacturer’s instructions for the correct application. All parts should be fitted by a qualified gas-safe certificate plumber.
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Suitable for following appliances:
• Suprima 120 L