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Viessmann Circuit Board (LON Module Adaptor) 7823033

Viessmann

Viessmann Circuit Board (LON Module Adaptor) 7823033

Viessmann 7823033 circuit board LON module adaptor for Vitodens 200-W boilers, providing the interface for a LON module connection.

At a glance

  • Also known as 2320348
Manufacturer part no.
7823033
Showing prices

£81.34

£67.78 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

Viessmann 7823033 is a circuit board that serves as a LON module adaptor. It is fitted to Viessmann Vitodens 200-W boilers and provides the interface between the appliance control and a LON module. The adaptor is applicable from 30.01.2004.

Signs this part needs replacing

  • No communication between the boiler and a LON module or building management system
  • Boiler does not respond to external demand or modulation signals
  • Fault codes relating to communication or the adaptor board
  • Visible heat damage, corrosion or loose connections on the board
  • Intermittent operation of connected controls

Before you order

  • Confirm the appliance is a Viessmann Vitodens 200-W and match the model and serial number against the fit list.
  • Check the part number on the existing board before removal.
  • Confirm whether a LON module adaptor is required for the installation.

Not sure which part?

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