Bullfinch 1400 Propane Gas Space Heater – B1400 15–25kW ODS & Flame Failure Workshop & Site Th Bullfinch 1400 Propane Gas Space Heater has a swirl burner that will provide forced convective heat to your workshop and work area. This unit can deliver up to 25 kW without being connected to any form of power supply. It comes equipped with a piezo ignition module as well as both flame failure devices and an Oxygen Depletion System. Also included on this model is a double skinned top that provides additional cooling of the external surface of the unit while it is operating. There is no need for electric supply; just connect the regulator (1 bar), then attach a hose to the screw-on cylinder valve and you have an instant source of heat. The manufacturer offers a five year warranty. The Bullfinch 1400 features a swirl burner which creates a