# Vaillant 0020266328 vs 0020269259

URL: https://www.vheatc.site/vaillant-0020266328-vs-0020269259
Canonical-URL: https://www.vheatc.site/vaillant-0020266328-vs-0020269259
Updated: 2026-05-22
Language: en-GB

Compares the two Vaillant cooling-resistor part numbers, 0020266328 and 0020269259, and explains which one you need.

Vaillant part numbers 0020266328 and 0020269259 are the same cooling coding
resistor (code plug) for aroTHERM and VWL heat pumps.

- They are functionally and electrically identical and interchangeable.
- Two numbers exist due to production runs and catalogue re-numbering.
- Order either — both are correct; neither is an upgrade of the other.
- Price: GBP 47.50. Condition: new, genuine OEM, factory packaging.

Shop: https://www.vheatc.site/