- Ferroli Part Number: 39810870 39808380 or 806659
- PCB References: Honeywell S4565 CD2029
- Fits all Ferroli Sigma Boilers
Available as REPAIR SERVICE item only
Please pack your faulty PCB securely and send it to us enclosing a copy of your order.
We will repair, test and return it THE SAME DAY AS RECEIVED.*
* in accordance with our terms and conditions.