Circuit Board (Lon Module Adaptor) B2Xx
SKU: Viessmann-7823033
Please call with your boiler serial number before placing order to ensure compatibility
£59.54 (ex VAT)
In Stock
All orders placed after 3pm will be processed the next working day (Monday to Friday except bank holidays).
Filling with backflow preventer
Internal Extension H2
Please call for stock availability: 01202 718660
Ionisation electrode with gasket
Sensor #3/#4 (Boiler / Dhw)
Ignition electrode with gasket
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