Eberspacher Hydronic S3 D5E Water Heater Unit and Pump CS 5kw 12v | 252993050000

The Eberspacher Hydronic S3 D5E CS 12v 5kW water heater unit is a drop-in replacement for Hydronic S3 installations. This genuine 12V diesel heater delivers stepless heating from 1.3 to 5 kW, ideal for marine vessels, campervans, RVs, and small buses. It includes a water circulation pump and a fuel pump, with quiet operation thanks to silencers and a nearly silent digital fuel metering pump. Suitable for cabin interior heating, engine pre-heating, and domestic hot water when paired with a plate heat exchanger or calorifier. Features onboard diagnostics via Easy Start Pro/S+ controllers, compact 215 x 91 x 144 mm dimensions, and a 3000-hour service life. A versatile, low-maintenance solution for fleet maintenance and mobile heating needs.