Identification of this unit
Keep ZWN 25-8 MFA 31 when checking your computer; do not replace that name with ZWBC when searching for references.
PCB Junkers ZWN 25-8 MFA 31
PCB Junkers ZWN 25-8 MFA 31. Spare part reconditioned. The component face incorporates a grey Terminal strip of Connection and several relays on the green PCB. Contrasts the PCB code, its revision and connectors; sharing Boiler model is not enough to confirm equivalence.
Shipping €9Mainland Spain · free from €120
Returns14 days from receipt
WarrantyView terms
Secure paymentCard · PayPal · Google Pay · Bizum
VAT included
In stockEstimated delivery 24–48 business hours · mainland Spain
98 €
How to identify the correct Control board
The PCB coordinates functions of the equipment through its inputs, outputs and circuits of Control. To choose a Replacement part, it is interesting to identify the complete revision and how it connects to the Boiler, in addition to the commercial name.
Comparison
Place your part beside it.
Choose a photo of your part to view it beside this unit. Compare the labels, connectors and mounting points from the same angle.
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Choose the correct variant
Application listed on this product page: PCB Junkers ZWN 25-8 MFA 31. The service reference in the parts diagram and identification of installed Part must match the appliance variant. The Boilers family name does not establish compatibility with other versions.
No models are documented for that search.
If identification does not match, consult before purchasing.
Before replacing the part
Before replacing the Part
A Boiler that does not boot may have a power problem, sensors or other components. The diagnosis must precede the replacement of the Control board.
Service in Madrid and surrounding areas
Do you need us to install it?
We repair boilers in Madrid and the surrounding areas. Installation is arranged separately from the purchase of the part.
Questions about this spare part
Is it enough that two plates have the same connectors?
No. The applicable reference, revision and configuration provided by the manufacturer for the equipment must also coincide. The appearance and connectors help to rule out differences, but do not replace that identification.
What should I compare when choosing this Spare part?
The component face incorporates a grey Terminal strip of Connection and several relays on the green PCB. Keep ZWN 25-8 MFA 31 when checking the computer; do not replace that name with ZWBC when searching for references.
