4 gallon marine-grade water heater.
The Slim models are characterized by a smaller diameter (12 inches) and longer length compared to the Spa models.
This water heater is a fantastic way to get hot water by simply running or driving your van. It can heat the water through the van’s coolant lines or using the 750 watt (120 VAC) electric element off your inverter when you’re not driving. Check out our blog post about Isotemp water heaters.
Save time, headaches and general misery tracking down all the parts you'll need with our Isotemp Installation Kits that include everything you need to connect the water heater to your van's coolant system and a very helpful, step-by-step installation guide!
FREE ground shipping to the lower 48 states.