Worcester 28i RSF PCB 87161463290

Worcester Bosch 87161463290

Rare part, now unavailable from most suppliers.

The PCB or printed circuit board  is the boilers central control.

It controls and monitors every process that occurs via the switches, thermostats and sensors.

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 operation.

The printed circuit board is effectively the brain of your boiler, It is programmed to ensure everything is running as it should.