Worcester PCB 8748300921
(Supersedes 87483006500)

Worcester Printed Circuit Board 8748300921 is the control center of this appliance. It controls and monitors every process that occurs via the sensors, switches and thermostats. It also enforces the safety parameters, making sure that the boiler ceases to function if any of the internal readings point to any kind of error or fault. Worcester Printed Circuit Board 8748300921 is effectively the brain of your boiler; It is programmed to ensure everything is running as it should.

This Worcester PCB supersedes Worcester part numbers 87483008680, 87483007130, 87483006340, 87483006500