Posted 22nd July, 2024 at 12:10 by Matthew Varlow
Hi, the Eberspacher (Espar) Hydronic S3 D5E has 20mm OD (outside diameter) coolant connections and for a snug fit you can use the 19mm ID coolant pipe in link - https://www.butlertechnik.com/item/Webasto/and-Eberspacher-water-heater-coolant-hose-pipe-19mm-ID-34072003/624 For a full spare parts list for the Eberspacher Hydronic D5E HS3 water heater, please see link - https://www.butlertechnik.com/downloads/cms/7737/eberspacher-espar-hydronic-s3-d4e-d5e-cl-spare-parts-list.pdf. I hope this is helpful, Kind regards, Matt
