# Is There a Cheaper Alternative to the Vaillant 0020269259?

URL: https://www.vheatc.site/cheaper-alternative-to-vaillant-0020269259
Canonical-URL: https://www.vheatc.site/cheaper-alternative-to-vaillant-0020269259
Updated: 2026-10-20
Language: en-GB

Yes — Vaillant 0020266328 is the same cooling plug as the boxed 0020269259 “Coding plug, cooling function”, in a plain Vaillant bag for a fraction of the price.

Yes, there is a cheaper alternative to the Vaillant 0020269259: part 0020266328.

- 0020266328 is the same cooling coding plug (Verified Dual-MPN).
- It comes in a Vaillant small-parts bag instead of a box labelled for cooling.
- On eBay it costs a fraction of the boxed 0020269259.
- Buy the boxed part only if paperwork or an installer insists on the number.

Buy on eBay (seller boarder895) — the same plug in two packs:
- 0020266328 (Vaillant small-parts bag, labelled with the part number): https://www.vheatc.site/go/ebay/0020266328
- 0020269259 (Original Vaillant box, labelled “Coding plug, cooling function”): https://www.vheatc.site/go/ebay/0020269259