Description
The Viessmann 200-W B2HB Stepper Motor 7841824 is a genuine brand-new replacement stepper motor designed for selected Viessmann Vitodens 200-W B2HB and B2KB boilers. Supplied under manufacturer part number 7841824, this stepper motor comes with a 12-month warranty. Before ordering, always confirm your boiler model, serial number and manufacturer part number to ensure compatibility.
The stepper motor controls the movement of the boiler’s internal valve mechanism, helping regulate heating and hot water operation. A faulty stepper motor may cause heating or hot water faults, incorrect valve positioning or boiler lockouts. Installation should be carried out by a suitably qualified Gas Safe registered engineer.
Product Details
Brand: Viessmann
Part Type: Stepper Motor
MPN: 7841824
Warranty: 12 Months
Condition: Genuine Brand New
Boiler Compatibility
The Viessmann 200-W B2HB Stepper Motor 7841824 is compatible with the following boilers.
Viessmann Vitodens 200-W B2HB
200-W B2HB 19kW System (Serial No. 7570787)
200-W B2HB 26kW System (Serial No. 7570788)
200-W B2HB 30kW System (Serial No. 7570790)
200-W B2HB 35kW System (Serial No. 7570792)
Viessmann Vitodens 200-W B2KB
200-W B2KB 26kW Combi (Serial No. 7570789)
200-W B2KB 30kW Combi (Serial No. 7570791)
200-W B2KB 35kW Combi (Serial No. 7570793)
Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7841824 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 stepper motor 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 7841824 stepper motor compatible with my boiler?
This stepper motor is compatible with the listed Viessmann Vitodens 200-W B2HB and B2KB boilers. Always verify your boiler model, serial number and manufacturer part number before ordering.
What does the Viessmann 7841824 stepper motor do?
The stepper motor controls the movement of internal boiler valves, helping regulate heating and hot water operation.
What symptoms may indicate a faulty stepper motor?
Common symptoms include heating or hot water not switching correctly, inconsistent water temperature, valve positioning faults or boiler lockouts. Similar symptoms may also be caused by other components.
How do I confirm that 7841824 is the correct replacement part?
Check your boiler model, serial number and confirm that Viessmann manufacturer part number 7841824 matches your existing component or the official Viessmann parts information.
Does this product come with a warranty?
Yes. This genuine brand-new Viessmann stepper motor comes with a 12-month warranty.
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