The printed circuit board or Pcb as it is commonly known is the boilers central control. It constantly checks every process that occurs via the sensors, switches and thermostats. 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. this is located behind the user control section of the boiler. It runs and monitors the entire boiler ensuring it monitors all the temperatures, airflow pressures, water pressures, water flow within the boiler and controls the gas supply to the burners. This is achieved by receiving information from these safety devices within the boiler such as thermisters, temperature sensors, air pressure switches, transducers, pressure switches, gas valves and many more. If any of the safety devices detect excessive readings or fail to work the information is sent back to the printed circuit board which in turn switches off the boiler to ensure safety to life and property. The printed circuit board regulates all the gas pressures sent to the burner it also runs the fan and monitors its condition, it runs the pump and monitors the flow of water that the pump is creating and also ensures the boiler runs safely and efficiently all the time. There are a number of different types of printed circuit boards and these are categorised as Main or Primary, Ignition, Display and Interface.

Ariston Printed Circuit Board 61010047

Part: 61010047

Price: £147.05
Potterton Electronic Controls Board 240603

Part: 240603

Price: £188.55
Ideal 175935 Logic Independent Main Pcb

Part: 175935

Price: £154.04
Ideal Bcc Card 176399

Part: 176399

Price: £22.00
Glowworm S1047000 30Ci 25Ci Main Pcb

Part: S1047000

Price: £189.04
Glowworm 0020018478 Printed Circuit Board

Part: 0020018478

Price: £174.68
Potterton Promax Gold Titainium 33 Pcb

Part: 7690352

Price: £141.67
Vokera 10029470 Mynute Printed Circuit Board

Part: 10029470

Price: £141.71
Ideal Cui Board Kit 175588

Part: 175588

Price: £69.13
Main 5112657 Combi 24 Pcb

Part: 5112657

Price: £111.38
Ravenheat 0012Cir06010/0 CSI 85 AAA 780 Fan PCB

Part: 0012CIR06010/0

Price: £57.06
Potterton Promax Pcb 5121025

Part: 5121025

Price: £225.24
Saunier Duval S227067 Printed Circuit Board

Part: S227067

Price: £221.57
Glowworm 0020018470 Display Pcb

Part: 0020018470

Price: £141.39
Ideal 174152 User Controls Kit

Part: 174152

Price: £81.36
Chaffoteaux 65103422 Printed Circuit Board

Part: 65103422

Price: £225.53
Ferroli 39820661 Printed Circuit Board

Part: 39820661

Price: £179.95
Ravenheat 0012CIR06025/0 PCB

Part: 0012CIR06025/0

Price: £176.86
Potterton Gold 24 He PCB 7690359

Part: 7690359

Price: £122.89
Worcester 87483008370 Greenstar Cdi Pcb

Part: 87483008370

Price: £90.16
Glowworm 0020061647 Interface Board

Part: 0020061647

Price: £50.61
Chaffoteaux 60000571 Britony Combi 100Se Pcb

Part: 60000571

Price: £221.80
Baxi 7690358 Duotec 24HE A PCB

Part: 7690358

Price: £122.89
Potterton Promax 24 He Pcb 5106588

Part: 5106588

Price: £198.14
Chaffoteaux 61011846 Britony System 2 Pcb

Part: 61011846

Price: £89.22
Sime 6301441 E Comfort Plus EV PCB

Part: 6301441

Price: £226.67
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