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Viessmann Combustion Chamber Door Refractory 7828716

Viessmann

Viessmann Combustion Chamber Door Refractory 7828716

Viessmann combustion chamber door refractory, part number 7828716, for Vitodens 100-W WB1B series boilers.

At a glance

  • Also known as 2320976
Manufacturer part no.
7828716
Showing prices

£70.76

£58.97 ex. VAT · VAT at 20%

Available to order · 1 working day
Available to order · 1 working day
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 COMBUSTION CHAMBER DOOR REFRACTORY is a Viessmann part, part number 7828716, listed as an insulation seal for the WB1B range. It sits at the combustion chamber door, where it forms the heat-resistant barrier between the door and the chamber body. It is classified in the gas boiler spares group under O-rings, washers and gaskets.

Signs this part needs replacing

  • Visible cracking, crumbling or breakdown of the refractory material at the combustion chamber door
  • Discolouration or scorching around the door face indicating heat has passed the seal
  • Combustion readings that drift or cannot be set consistently after servicing
  • The door seal material has hardened, flattened or detached from its seating

Before you order

  • Confirm the boiler model and serial number against the fits list above
  • Check the part number 7828716 against the existing component or the appliance documentation
  • Inspect the combustion chamber door and its seating before fitting so any distortion is identified
  • Isolate the appliance and follow the manufacturer's servicing instructions for combustion chamber access

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.