BIASI Prisma reconditioned Ignition PCB

Direct sale no exchange PCB needed.

Fitted to boilers as below:
Prisma 24S, 28SE, 28S Savio 424S, 428S
Biasi Part Number: BI1015501
Honeywell S4565 DD1003

2 year guarantee on all reconditioned PCBs

IMPORTANT - There are many versions of S4565 and we offer a repair service for all S4565 Series Ignition Boxes. Although the different model numbers look similar externally, they all function differently and are NOT INTERCHANGEABLE. NEVER interchange with the wrong type, this can cause explosive ignition and can be dangerous !