Ignition Transformer Junkers Novastar Novatherm ZW20 1 AME KE Ref. 87472012720
RefurbishedJunkersTransformers

Ignition Transformer Junkers Novastar Novatherm ZW20 1 AME KE Ref. 87472012720

25 €VAT includedIn stock · 5 units

Ignition transformer: refurbished spare part that generates high voltage for the electrode spark. Useful if there is no spark or ignition failures are repeated. Compatible with Novastar ZW20-1 AME, Novastar ZW20-1 KE, Novatherm ZW20-1 AME (ref. 87472012720). 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
87472012720
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

The same part (ref. 87472012720) equips these models. Verified compatibility; check the reference before purchasing.

Junkers

  • Novastar ZW20-1 AME
  • Novastar ZW20-1 KE
  • Novatherm ZW20-1 AME
  • Novatherm ZW20-1 KE
  • Novatherm ZW20-1 KD
  • Novastar ZW20 AME
  • Novastar ZW20 KE

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)
The reset button flashes at 1 Hz (once per second)Ignition fault.Ignition transformer fault: it does not supply high voltage to the spark plugs and there is no spark; the control exhausts the safety time without flame and locks out. Verification: check for spark at the electrodes; measure continuity/insulation of the transformer and check fuse/power supply according to the electrical test in the manual.
How do I know if this ignition transformer is for my boiler?
Verify the reference 87472012720 printed and ensure your model is on the list of compatible ones; also compare the connections with the original part. It is a Junkers (Bosch Thermotechnology) part.
What is it used for?
The ignition transformer generates the high voltage for the electrode spark.
Is there no spark or repeated ignition faults?
No spark at the electrode despite having gas.
Which models is it suitable for?
Part shared by various models (see Compatibility). If your model does not appear, send us a photo of the marking and we will confirm it.
Installation and recommendations
Check the electrode and the high voltage cable.
What does refurbished mean and what coverage does it have?
Part removed from a boiler out of service, inspected and tested. Includes 1-year warranty and 14-day return policy. Delivery within 2–4 working days in the EU.
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