Description
The Viessmann Vitodens 050-W Gas Valve 7861490 is a brand-new genuine replacement component designed for selected Viessmann Vitodens 050-W boilers. Supplied under manufacturer part number 7861490, this gas valve comes with a 12-month warranty. Before ordering, always confirm your boiler model, output, serial number and manufacturer part number to ensure compatibility.
The gas valve controls the flow of gas to the burner for safe ignition and efficient boiler operation. A faulty gas valve may cause ignition failures, flame loss, boiler lockouts, or unreliable heating and hot water. As it forms part of the boiler’s gas and combustion system, installation and testing should be carried out by a suitably qualified Gas Safe registered engineer.
Product Details
Brand: Viessmann
Product Type: Gas Valve
Manufacturer Part Number: 7861490
Condition: Brand New Genuine
Warranty: 12 Months
Delivery & Collection
Orders placed before 1 PM (Monday to Friday) are dispatched the same working day where stock is available. 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.
Warranty
This brand-new genuine Viessmann Gas Valve 7861490 comes with a 12-month warranty. Warranty claims may be subject to inspection and confirmation that the correct component was 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 products that have been fitted, used or damaged. Please check the boiler model, serial number and manufacturer part number carefully before ordering.
Frequently Asked Questions
Is the Viessmann 7861490 gas valve compatible with all Vitodens 050-W boilers?
No. It is suitable only for selected Viessmann Vitodens 050-W models. Always verify your boiler model, output, serial number and manufacturer part number before ordering.
What does the gas valve do?
The gas valve controls the flow of gas to the burner, ensuring safe and efficient combustion during boiler operation.
What symptoms may indicate a faulty gas valve?
Possible symptoms include ignition failure, flame loss, boiler lockouts, no heating, no hot water or inconsistent burner operation. Similar symptoms may also be caused by other boiler components.
Is this a genuine Viessmann replacement part?
Yes. This is a brand-new genuine Viessmann gas valve.
Can I install this gas valve myself?
No. Because this component forms part of the boiler’s gas system, installation and testing must be completed by a suitably qualified Gas Safe registered engineer.
Does this product include a warranty?
Yes. It comes with a 12-month warranty.
How quickly will my order be dispatched?
Orders placed before 1 PM (Monday to Friday) are dispatched the same working day where stock is available.
Can I return this product?
Yes. Returns are accepted within 30 days, provided the item remains unused, unfitted and in its original packaging.













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