Viessmann
Viessmann Combustion Chamber Door Refractory 7827846
Viessmann combustion chamber door refractory insulation block, part number 7827846, for Vitodens 100-W WB1A boilers.
At a glance
- Appliance family: Vitodens 100-W WB1A
- Also known as 2320090
£60.65
£50.54 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The combustion chamber door refractory, part number 7827846, is a Viessmann insulation block that sits on the combustion chamber door of the appliance. It forms the heat-facing insulating layer that protects the door assembly from direct flame and high temperatures. The part is used on the Vitodens 100-W WB1A gas boiler range.
Signs this part needs replacing
- Visible cracks, crazing or fractures across the refractory surface
- Crumbling, flaking or crumbling material around the burner face
- Discolouration or scorching that has spread beyond the normal heat pattern
- Refractory material detached from the combustion chamber door
- Exposed or degraded door surface where the insulation has broken away
Before you order
- Confirm the boiler model is a Vitodens 100-W WB1A
- Check the appliance serial number against the fitment list for your model
- Compare the existing refractory block against the part number 7827846 before ordering
- Inspect the combustion chamber door itself for distortion or damage while the insulation is removed
Compliance
| Alternative numbers | 2320090 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VIESSMANN VITODENS 100-W WB1A 24 SERIAL No. 7246174 | — | — | — | |
| VIESSMANN VITODENS 100-W WB1A 30 SERIAL No. 7246175 | — | — | — |
Documents & drawings
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