Ignition Piezo electric and variable gas control valve Consumption 450g/h 870g/h. The seller is beauty-directuk and is located in this country GB. Metal steel gas outdoor garden patio heater warmer with wheels 13kw site heating adjustable heat dial the heater features a dial on the side so you can select your ideal level of heating from low to high wheels included the base unit includes wheels to enable you to move the unit around your patio or garden with less effort.