Isotemp Slim Square (4.2 gallon) Water Heater4. 2 gallon marine grade water heater. This is the only square profile Slim model which can make it easier to install into tight spaces in your van build. 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 vans coolant lines or using the 750 watt (115 VAC) electric element off your inverter when youre not driving. Check out our blog post about Isotemp water heaters. Features:

Red reverse polarity indicating LED

three times thicker than most PUR finishes

with a thermally cured coating based on an hybrid organic/inorganic siloxane compound

It’s also generally easier to install

wheel wells

Topseal: A factory-applied urethane “no-wax” finish that protects the floor

If you have or will be installing many windows you can order the lower quantity

144" wheel base Sprinter: 50-55 linear feet

PDF Datasheet

Tension: 12 V

or Promaster vans

we recommend a "rail" for each drawer where the catch can be installed