4 Kw Pro-Leaf BurnerThe Pro-Leaf 4KW LPG CO2 Generator is the perfect solution for creating a CO2 rich environment.The burner is turned on by the Pro-Leaf Controller which then turns the gas on via a solenoid valve to ignite it. The burner operates until you reach your CO2 set point and turns off, cutting the gas supply.For areas up to 90m2Safety ‘tip-over’ switch. If the unit is knocked over it automatically shuts off the gasSimple to connect to bottled Propane gas12-month warrantyDownload instructions