Vaillant Boiler PCB Board Replacement Part 0010028086

This PCB board For vaillant boiler it controls ignition, sensors, and safety checks, so the boiler runs safely and consistently. However, if it fails, the boiler may stop firing, reset unexpectedly, show error codes, or lose heating and hot water intermittently. Consequently, performance becomes unstable and lockouts occur more often. Therefore, replacing the correct Vaillant PCB is a reliable fix, restoring steady operation, smoother firing, and reduced repeat breakdown risk.

Compatibility :

• Ecotec Plus 612 (VU 126/5-5): 2012; R1 (2012–2013); R2 (2013–2015); R4 (2015); A R4 (2015 onwards); R6 (2017 onwards)
• Ecotec Plus 615 (VU 156/5-5): 2012; R1 (2012–2013); R2 (2013–2015); R4 (2015); A R4 (2015 onwards); R6 (2017 onwards)
• Ecotec Plus 618 (VU 186/5-5): NG + LPG 2012; R1 (2012–2013) NG + LPG; R2 (2013–2015) NG + LPG; R4 (2015) NG + LPG; A R4 (2015 onwards) NG + LPG; R6 (2017 onwards) NG + LPG
• Ecotec Plus 624 (VU 246/5-5): 2012; R1 (2012–2013); R2 (2013–2015); R4 (2015); A R4 (2015 onwards); R6 (2017 onwards)
• Ecotec Plus 630 (VU 306/5-5): NG + LPG 2012; R1 (2012–2013) NG + LPG; R2 (2013–2014) NG + LPG; R4 (2015) NG + LPG; A R4 (2015 onwards) NG + LPG; R6 (2017 onwards) NG + LPG
• Ecotec Plus 637: VU 376/5-5 2012; R1 (2012–2013); R2 (2013–2014); R4 (2015); A R4 (2015 onwards)
• Also includes: VU 386/5-5 R6 (2017 onwards)
• Ecotec Plus range note: 612, 615, 618, 624, 630, 637 (family listing shown in your data)
• Ecotec Plus 824 (VUW 246/5-5): 2012; R1 (2012–2013); R2 (2013–2015); R4 (2015)
• Ecotec Plus 825: VUW 196/5-5 R6 (2017 onwards); VUW 256/5-5 R4 (2015 onwards)
• Ecotec Plus 831 (VUW 316/5-5): NG + LPG 2012; R1 (2012–2013) NG + LPG; R2 (2013–2015) NG + LPG; R4 (2015) NG + LPG
• Ecotec Plus 832: VUW 246/5-5 R6 (2017 onwards) NG + LPG; VUW 326/5-5 R4 (2015 onwards)
• Ecotec Plus 835: VUW 306/5-5 R6 (2017 onwards); VUW 356/5-5 R4 (2015 onwards)
• Ecotec Plus 837 (VUW 376/5-5): 2012; R1 (2012–2013); R2 (2013–2014); R4 (2014–2015)
• Ecotec Plus 838: VUW 286/5-5 R6 (2017 onwards); VUW 386/5-5 R4 (2015 onwards)
• Ecotec Plus 937 (VUI 376/5-5): 2012; R1 (2012–2013); R2 (2013–2014); R4 (2014–2015)
• Ecotec Plus 938: VUI 286/5-5 R6 (2017 onwards); VUI 386/5-5 R4 (2015 onwards)
• Ecotec Pro 22 (VU 226/5-3): A R4 (current production – Guernsey/Jersey only); R4 (Guernsey/Jersey only)
• Ecotec Pro 24 (VUW 246/5-3): 2012; R1 (2012–2013); R2 (2013–2015); R4 (2015–2017); R6 (2017 onwards)
• Ecotec Pro 28 (VUW 286/5-3): NG + LPG 2012; R1 (2012–2013) NG + LPG; R2 (2013–2015) NG + LPG; R4 (2015–2017) NG + LPG; R6 (2017 onwards) NG + LPG
• Ecotec Pro 30 (VUW 306/5-3): R4 (2015 onwards)

Important fitting advice

We recommend that all parts are fitted by a fully qualified Gas Safe registered engineer. If you need help confirming the right part, contact us our team has 10+ years of boiler spares knowledge and friendly chat support to help you quickly.

Delivery

At Boiler Spares Hub, we dispatch orders within 1 working day (Monday-Friday). Orders placed outside working days will be dispatched on the next working day. For delivery options available for this product, please add it to your basket or check our delivery options page.

Returns

We accept 30-day returns. Returns must be in an unopened, sealed box. If we find the item has been used or installation was attempted, we may refuse the return.

Frequently Asked Questions (FAQs)

1. What does the PCB board do in a Vaillant boiler?
It’s the main control board that manages ignition, sensors, pumps/fans, and safety shutdowns.

2. What are common signs a PCB is failing?
Boiler not firing, random resets, intermittent heating/hot water, error codes, or repeated lockouts.

3. Is this PCB compatible with Ecotec Plus and Ecotec Pro models?
Yes, it fits selected Ecotec Plus (system + combi ranges) and Ecotec Pro models listed in compatibility.

4. How do I confirm this is the correct PCB for my boiler?
Match the boiler model (data badge) and confirm part number 0010028086 against your parts list/diagram.

5. Do I need an engineer to fit/program it?
Yes PCB replacement should be done by a qualified heating engineer, as settings/checks may be required.