Vaillant O-ring siphon cap 5 pcs VHR24-28/3 for ecoTEC plus and ecoTEC pro etc.: original Vaillant spare part, type: O-ring. Application: Boiler (ecoTEC classic VHR 18-24/5-3 EXP R6). Manufacturer number: 0020077919; Instalpunt article number: 8058984.
According to the Vaillant parts lists, this part fits 81 models, including Vaillant ecoTEC classic VHR 18-24/5-3 EXP R6, Vaillant ecoTEC classic VHR 18-24/5-3 R6 and Vaillant ecoTEC classic VHR 23-28/5-3 EXP R2. 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.




