Furnace
Espar Airtronic B4L
Extremely effective and efficient gasoline-fueled air heater
Taps into the vehicle’s gasoline tank
Shuts off when the fuel level dips below ¼ tank or ⅛ tank if on a hill
Runtime operates off a programable timer
In addition to keeping you warm, the Espar also allows you to utilize the water system in freezing temperatures.
Running the Espar can prevent your water from freezing.