A Printed Circuit Board (PCB) is a boilers central electronic control. The PCB controls every function via the thermostats, switches and sensors. Ensuring the boiler runs safely, preventing the boiler from working if any internal faults are detected. The P
A Printed Circuit Board (PCB) is a boilers central electronic control. The PCB controls every function via the thermostats, switches and sensors. Ensuring the boiler runs safely, preventing the boiler from working if any internal faults are detected. The PCB is essentially the brain of a Boiler! This spare part is suitable for Potterton Performa System & Baxi Combi 30HE to 105HE
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