Caleffi automatic hygroscopic air vent 1/4", male thread, chrome-plated: original Caleffi spare part, type: Automatic air vent, 1x male thread, 1/4", (max.) 10 bar, (max.) 100°C. Application: Boiler (Ferroli NA 23 TK). Manufacturer number: 508021; Instalpunt article number: 3200801.
According to the Caleffi parts lists, this part fits 3 models, including Agpo Ferroli Ferroli NA 23 TK, Agpo Ferroli Ferroli NE 123 and Agpo Ferroli Ferroli NEV 124. 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.




