How to Replace a Vaillant Ecotec Plus 832 Pcb (UK)
Fit a new PCB on the Vaillant Ecotec Plus 832. UK part number, isolation and torque steps.
Vaillant
Part number
The Vaillant Ecotec Plus 832 uses the PCB 0020254533. Check the GC serial number sticker inside the case — Vaillant revised the PCB at least once during production.
Isolate
Turn off the gas at the isolation cock. Switch off 230 V at the fused spur. Drain to just below the PCB: on the Vaillant Ecotec Plus 832, the drain-off is on the return pipe.
Fit
Unclip the PCB. Transfer the O-rings if OEM includes new ones — always fit the new seals supplied. Torque any brass unions to 25 Nm. Refill to 1.2 bar, bleed and fire for a wet check.
Frequently asked questions
- OEM or compatible?
- For gas-carrying components on the Vaillant Ecotec Plus 832 always fit OEM. Non-gas parts (fans, PCBs, pumps) — OEM keeps the warranty valid.
- Do I need to re-commission?
- Yes — record combustion CO/CO₂ ratio after any gas-side work per BS 6798.
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