Bosch rubber seal: original Bosch spare part, type: Rubber seal. Application: Boiler (Condens 3000W (ZWB28-3C)). Manufacturer number: 87101031910; Instalpunt article number: 8189484.
According to the Bosch parts lists, this part fits 2 models, including Bosch Condens 3000W (ZWB28-3C) and Bosch Condens 3000W (ZWB29-3C). The full list is under “Fits”.
This item is in stock and usually arrives within 3–5 working days.
Check the rating plate of your appliance before ordering; if in doubt, ask the manufacturer or your installer. Work on gas-carrying parts must be carried out by a qualified gas engineer.


