Eco Heating O-ring A/CD 100-120 (33.50 x 4.00): original Eco Heating spare part, type: O-ring. Application: Boiler (Ambassador 914 100 (Serienummer 000-112)). Manufacturer number: E07.002.033; Instalpunt article number: 8440133.
According to the Eco Heating parts lists, this part fits 9 models, including Eco Heating Systems Ambassador+ 100 (Serienummer 000-212), Eco Heating Systems Ambassador+ 120 (Serienummer 000-213) and Eco Heating Systems Ambassador 914 100 (Serienummer 000-112). 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.




