Viessmann 100-W WB1B Control Unit VBC112-A01.200 7857233

Description

The Viessmann 100-W WB1B Control Unit VBC112-A01.200 7857233 is a genuine brand-new replacement control unit designed for selected Viessmann Vitodens 100-W WB1B boilers. This control unit carries manufacturer part number 7857233 and comes with a 12-month warranty. Always confirm your boiler model, output, GC number and part number before ordering.

The control unit manages key boiler functions and communicates with the appliance’s electrical and electronic components. A faulty control unit may cause operational problems, fault codes, ignition issues or boiler lockouts. Installation, commissioning and testing should be completed by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Part Type: Control Unit
Model: VBC112-A01.200
MPN: 7857233
Warranty: 12 Months
Condition: Genuine Brand New

Boiler Compatibility

Viessmann Vitodens 100-W WB1B Heat Only

Fits Appliance GC No.

100-W WB1B 13kW Heat Only 41-819-21
100-W WB1B 16kW Heat Only 41-819-22
100-W WB1B 19kW Heat Only 41-819-23
100-W WB1B 26kW Heat Only 41-819-24
100-W WB1B 35kW Heat Only 41-819-25

Viessmann Vitodens 100-W WB1B Compact

Fits Appliance GC No.

100-WB1B 13kW Compact (Serial No. 7416307) Information not provided
100-WB1B 16kW Compact (Serial No. 7416302) Information not provided
100-WB1B 19kW Compact (Serial No. 7416303) Information not provided
100-WB1B 26kW Compact (Serial No. 7416304) Information not provided

Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7857233 to ensure this is the correct replacement part for your appliance.

Delivery & Collection

Collection is available from our Newcastle showroom at Unit 5, Penn Street, Newcastle upon Tyne, NE4 7BG, subject to stock availability. We also offer fast UK delivery via 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 control unit 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 components that have been fitted, used, damaged or returned in an unsuitable condition. Please check the boiler model, GC number, edition, serial-number range and part number carefully before ordering.

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 7857233 control unit compatible with my boiler?

It is compatible with the listed Viessmann Vitodens 100-W WB1B heat-only and Compact models. Always verify your boiler model, output, serial number and part number before ordering.

What does the Viessmann 7857233 control unit do?

The control unit manages and coordinates important electrical and electronic functions within the boiler to support correct operation.

What symptoms may indicate a faulty control unit?

Possible symptoms include persistent fault codes, ignition problems, intermittent operation, component communication faults or boiler lockouts. Similar symptoms can have other causes, so professional diagnosis is recommended.

How do I confirm that 7857233 is the correct replacement?

Check your boiler model, output, GC number and serial number, then confirm that Viessmann part number 7857233 matches the existing control unit or official appliance parts information.

Does this control unit come with a warranty?

Yes. This genuine brand-new Viessmann control unit 7857233 comes with a 12-month warranty.