Super Heat 4.2kW Radiant Portable Gas Heater The Super Heat 4.2kW Radiant Portable Gas Heater provides powerful radiant heat with good fuel efficiency, suited to homes, workshops, conservatories, garages and more. Three heat settings, piezo ignition and safety features including an oxygen depletion sensor and flame failure device make it a flexible, economical heating solution wherever mains gas or electricity isn't practical. The heater delivers up to 4.2kW output, adjustable between 1.5kW, 2.8kW and 4.2kW settings, using radiant heating with ceramic plates for even heat distribution. Castor wheels allow it to be moved easily between rooms, and no installation, flue or mains connection is required — it's ready to use straight out of the box. Running on butane, it's compatible with 7kg to 15kg gas cylinders, giving an estimated run time of