Vaillant PCB, installer board 1PH: original Vaillant spare part, type: PCB. Application: Heat pump (aroTHERM VWL 35/5 AS). Manufacturer number: 0020233813; Instalpunt article number: 80501139.
According to the Vaillant parts lists, this part fits 9 models, including Vaillant aroTHERM VWL 35/5 AS, Vaillant aroTHERM VWL 35/6 A and Vaillant aroTHERM VWL 35/6 A R1. The full list is under “Fits”.
In stock: order before 14:00 and it ships the same working day; delivery within the EU usually takes 3–5 working days.
Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer.




