40,000 BTU Natural Gas High Intensity Radiant Auto-Spark Industrial Heater

4000 Series Heaters arrive set up to operate at 40,000 BTU/hr. The box comes with a kit that enables user to convert the BTU setting to 30,000. Infrared Heaters direct line of site radiant heat to floor-level objects, which in turn, heat surrounding air to the desired temperature. High intensity heaters are ideal for use in drafty or windy conditions like a loading dock or auto mechanic bays where doors are open during winter conditions. Dock personnel and objects at floor level will benefit from comfortable warmth like the rays of the sun despite wind and cold. This particular heater uses a spark ignition system that ships with a 120V / 24VAC / 40VA transfomer. Heatstar high intensity heaters are protected by a 10 year, pro-rated burner assembly warranty and a limited one year gas control warranty. Consult the user manual for installation instructions and for clearance to combustible guidance.