Viessmann Vitodens 100-W WB1C Control PCB 7841748

Description

The Viessmann 7841748 printed circuit board control console is a brand-new genuine replacement component for selected Viessmann Vitodens 100-W WB1C combi boilers. It is supplied with a 12-month warranty and should only be ordered after confirming the boiler model and manufacturer part number.

The control PCB manages and coordinates several boiler functions by processing information from the appliance controls, sensors and safety components. It should be diagnosed, installed and correctly commissioned by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Part Type: Printed circuit board control console
MPN: 7841748
Condition: New
Warranty: 12 months

Boiler Compatibility

Viessmann Vitodens 100-W WB1C

Vitodens 100 WB1C26 Combi NG
Vitodens 100 WB1C30 Combi NG
Vitodens 100 WB1C35 Combi NG
Vitodens 100-W WB1C30 Combi NG

Delivery & Collection

Collection is available from our Newcastle showroom at Unit 5, Penn Street, Newcastle upon Tyne, NE4 7BG, usually on the same day, subject to stock availability. If the item is not in stock, collection is normally available the next working day. We also offer fast UK delivery through Royal Mail First Class or DPD Next Day, with most orders arriving within one to two working days. Boiler components should be installed by a suitably qualified Gas Safe registered engineer.

Warranty

This brand-new genuine Viessmann boiler printed circuit board control console is supplied with a 12-month warranty. Warranty claims may be subject to inspection and confirmation that the component was correctly selected and professionally installed.

Returns

We accept returns within 30 days of delivery. The product must be unused, unfitted and returned in its original unopened packaging with all seals intact. We cannot accept returns for printed circuit boards that have been fitted, connected, used, had an attempted installation or been returned with damaged packaging or broken seals.

Please check the boiler model and manufacturer part number carefully before ordering. Electrical components that have been connected to an appliance cannot be accepted for return.

If you need any help, our team is happy to assist. Please contact us by phone or WhatsApp chat.

Frequently Asked Questions

Is the Viessmann 7841748 PCB compatible with Vitodens 100-W boilers?

It is confirmed for the listed Viessmann Vitodens 100-W WB1C combi models. It should not be assumed to fit every Vitodens 100-W boiler because different versions can use different printed circuit boards.

Does the 7841748 fit the Viessmann WB1C30 Combi?

Yes. The compatibility information confirms this PCB for the listed Vitodens 100 WB1C30 Combi NG and Vitodens 100-W WB1C30 Combi NG appliances.

How can I confirm that this is the correct control PCB?

Check the boiler data plate for the complete appliance model and compare the manufacturer number on the original PCB or the official appliance parts information. The existing component should show Viessmann part number 7841748.

What symptoms may indicate a control PCB problem?

Possible symptoms can include an unresponsive display, irregular boiler operation, failed ignition sequences, communication issues or repeated lockouts. These symptoms do not automatically prove that the PCB is faulty because wiring, sensors, controls and other components may cause similar problems.

Does this PCB require professional installation?

Yes. A boiler PCB is an electrical control and safety component. Diagnosis, installation, configuration and operational testing should be completed by a suitably qualified Gas Safe registered engineer.