Vvkb Apollo GH5 Gasoline Hot Water System — 5KW 12VThree heating systems in one unit hot showers, radiant floor heat, and cabin air, all from your existing gasoline tank. When you drive, your engine's waste heat warms your water for free. No extra fuel burned. At 5KW, the GH5 heats your water and cabin with the engine completely off no shore power, no engine idling. Your gasoline tank is already on the vehicle. Connect the GH5 directly no diesel tank, no second fuel type. CE certified. Ships in 7