Desa Tech B155E is a portable heater intended for use in curing and pouring operations, such as concrete. It operates on kerosene or No.1 fuel oil and has a 13-gallon tank capacity. The heater can run continuously for approximately 14 hours on a full tank. It features a thermostatically-controlled solenoid valve that ensures precise temperature regulation and prevents overheating. The device is equipped with a fan for efficient heat distribution and a durable outer shell for protection in harsh conditions.