Junkers Transformer ZW 20 KD 23 Ref. 8747201254
RefurbishedJunkersTransformers

Junkers Transformer ZW 20 KD 23 Ref. 8747201254

25 €VAT includedIn stock · 5 units

Ignition transformer: refurbished spare part that generates high voltage for the spark of the electrodes. Useful if there is no spark or ignition faults are repeated. Reference 8747201254. Includes a one-year warranty and delivery within 2–4 working days in the EU.

1
Consult via WhatsApp
Delivery in 2–4 working days
1-year warranty
14-day return
Technical support

Key Data

Reference
8747201254
Brand
Junkers
Type of part
Transformers
Available units
5 units in stock
Status
Refurbished
Warranty
1 year
Shipping
2–4 working days (EU)
Return
14 days

Fault codes related to this part (not the entire boiler). They usually have more possible causes: first rule out electrodes, wiring/connections, and gas supply. Verified with ≥3 sources.

CodeWhat does it mean?Cause and diagnosis (this part)
7U/2052Maximum ignition transformer activation time exceeded.The ignition transformer remains powered for spark retries until the allowed time is exceeded; if the transformer itself is faulty (weak or absent spark) or thermally saturated, the unit locks with this code. Verify by activating the 'Zündung' test in the service menu and checking HV output/transformer condition; replace if there is no spark or it is out of range.

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