Viessmann
Viessmann Damper 7823838
Air/fuel damper for Viessmann Vitodens 100 and WB1A boilers, part number 7823838.
At a glance
- Appliance family: Vitodens 100 and WB1A series
- Also known as 2320134
Showing prices
£36.97
£30.81 ex. VAT · VAT at 20%
Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Viessmann 7823838 is an air/fuel damper (flapper) for Vitodens 100 and WB1A series gas boilers. It regulates the mixture of air and gas entering the combustion chamber.
Signs this part needs replacing
- Boiler locks out or fails to ignite
- Unstable flame, yellow flame, or flame lift-off
- Soot deposits or black marks around the combustion area
- Error codes relating to air/gas ratio or combustion
- Noisy operation from the air intake or damper area
Before you order
- Check your boiler model and serial number against the fits list
- Confirm the existing damper part number is 7823838
- Inspect the damper for physical damage or sticking before ordering
- Ensure the appliance is isolated from gas and power before fitting
Compliance
| Alternative numbers | 2320134 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100 SYSTEM 24KW | — | — | — | |
| VIESSMANN VITODENS 100 SYSTEM BOILER 24KW SERIAL No. 7179918 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 24KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 24KW SERIAL No. 7179917 | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI 30KW SERIAL No. 7179916 | 47-819-05 | 47-819-05 | — | — |
| VIESSMANN VITODENS WB1A COMBI C24KW (7246794) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW (7247428) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW (7248590) | — | — | — | |
| VIESSMANN VITODENS WB1A COMBI C24KW SERIAL No. 7246794 | — | — | — |
Showing 10 of 26 compatible appliances.
Fitment listings are a guide, not a guarantee. Plant-room assemblies get modified on site more often than not. Send us the GC number off the data badge and a photo of the existing valve and we will confirm before anything is dispatched.
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No technical questions yet for this part.
Not sure which part?
Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.