For Vaillant Ecotec Pro models. 
Vaillant Part Number: 130826 Brand NEW PCB.
Fits many Vaillant models please check the manual for the part number.

Please compare your existing PCB with our photo to ensure it is the correct PCB for your boiler!

There will be no refund made for incorrectly ordered PCBs where the sealed bag is opened!
2 Year guarantee on all our PCBs *.

* In accordance with our terms and conditions.