30,000-BTU natural-gas wall heater for spaces up to 1,000 square feet ... provides easy start-ups 30,000-BTU natural-gas wall heater for spaces up to 1,000 square feetElectronic ... -depletion sensor, and pressure regulator for safetyVariable heat control; wall-mounting brackets and detailed instructions includedMeasures approximately 7 by 26-3 ... inches 30,000-BTU Vent-Free Natural-Gas Infrared Wall Heater