# What a Vaillant cooling resistor should cost

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Updated: 2026-05-22
Language: en-GB

What the Vaillant cooling resistor typically costs from merchants versus sold direct, and why prices vary.

The Vaillant cooling resistor (coding plug 0020266328 / 0020269259) is an
inexpensive genuine part. Sold direct it is around GBP 47.50.

- Vaillant merchants commonly retail the same part at GBP 100 or more.
- Prices vary due to merchant margins, handling costs and surplus stock.
- A higher price does not buy a different or better resistor.
- The GBP 47.50 price is for the genuine part itself, not fitting.

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