Sealey Dellonda Pyramid Gas Patio Heater 13kW Commercial & DG224This gas flame pyramid stands at 2. 27m tall, when lit the heater produces a real flame encompassed by a glass tube and heats the surrounding area. A metal reflector makes sure the heat is directed downwards and outwards with the ability to heat an area of up to 8m. Variable temperature output controls and a fully enclosed propane gas cylinder chamber with safety tip over switch. Made with strong, rugged materials for constant sustained use to ensure