The Eberspächer Hydronic D5WSC is a compact 12V diesel-fired water heater delivering up to 5.0 kW of power for vehicle engine pre-heating and interior cabin heating. The unit features an integrated fuel pump, consumes 0.27 to 0.62 liters per hour, and includes self-diagnostic capabilities for addressing issues like carbon buildup or air locks. For installation and technical specifications, refer to the Eberspacher Espar Hydronic D5W SC Installation Manual . Go to product viewer dialog for this item. Espar Hydronic D5WSC Diesel 12V Heater