Eberspacher Hydronic D5WSC Heater to Hydronic S3 D5E 12V Upgrade Kit inc EasyStart PRO Timer

The Eberspacher Hydronic S3 D5E 5kW 12V upgrade kit replaces older D4WSC/D5WSC units for marine or vehicle use. This comprehensive package includes the HS3 D5E 5.0kW water heater with water and fuel pumps, Easy Start PRO controller with a 7-day timer, wiring harness, mounting bracket, and fixing bolts. Enjoy stepless heating from 1.3 to 5 kW for improved fuel efficiency, compact sizing (215 x 91 x 144 mm), and quieter operation thanks to a new silent fuel dosing pump and exhaust/air silencers. Features automatic altitude adjustment up to 1500 m (manual over 1500 m with Easy Start PRO) and onboard fault diagnostics. Ideal for cabin heating, engine pre-heating, and DHW when paired with appropriate heat exchangers. Upgrade kit excludes exhaust pipe, silencer, standpipe, fuel line, or coolant hose.