Viessmann 100-W WB1A Gas Train VK4115V 7823840

Description

The Viessmann 100-W WB1A Gas Train VK4115V 7823840 is a genuine brand-new replacement gas train designed for selected Viessmann Vitodens 100-W WB1A boilers. Supplied under manufacturer part number 7823840, this gas train comes with a 12-month warranty. Before ordering, always confirm your boiler model, GC number, serial number and manufacturer part number to ensure compatibility.

The gas train regulates and controls the flow of gas to the burner, helping maintain safe ignition and efficient combustion. A faulty gas train may cause ignition failures, flame loss, boiler lockouts or unreliable heating and hot water performance. As it forms part of the boiler’s gas and combustion system, installation and testing should be completed by a suitably qualified Gas Safe registered engineer.

Product Details

Brand: Viessmann
Product Type: Gas Train
Model: VK4115V
Manufacturer Part Number: 7823840
Condition: Genuine Brand New
Warranty: 12 Months

Boiler Compatibility

The Viessmann 100-W WB1A Gas Train VK4115V 7823840 is compatible with the following Viessmann Vitodens 100-W WB1A boilers.

Fits Appliance GC No.
100-W WB1A 18kW Heat Only (Serial No. 7179920) 41-819-12
100-W WB1A 24kW Combi (Serial No. 7179917) 47-819-04
100-W WB1A 24kW Heat Only (Serial No. 7179919) 41-819-10
100-W WB1A 24kW System (Serial No. 7179918) 41-819-09
100-W WB1A 30kW Combi (Serial No. 7179916) 47-819-05

Before ordering, please check your boiler model, GC number, serial number and Viessmann manufacturer part number 7823840 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 gas train 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 7823840 gas train compatible with all Vitodens 100-W boilers?

No. It is compatible only with the selected Viessmann Vitodens 100-W WB1A models listed above. Always confirm the boiler model, GC number, serial number and manufacturer part number before ordering.

What does the gas train do?

The gas train controls and regulates the gas supply to the burner, helping ensure safe ignition and efficient boiler operation.

What symptoms may indicate a faulty gas train?

Possible symptoms include ignition failure, flame loss, boiler lockouts, inconsistent heating, no hot water or burner faults. Similar symptoms may also be caused by other boiler components.

Is this a genuine Viessmann replacement part?

Yes. This is a genuine brand-new Viessmann replacement gas train.

Can I install this gas train myself?

No. As it forms part of the boiler’s gas system, installation and testing should only be carried out by a suitably qualified Gas Safe registered engineer.