... device,safety valve 4- Max. power: 10,000W 1- Natural gas room heater with chimney2- Enameled steel body3- Max. power: 10,000W ... ,gas pressure: 18M Bar2, tube: 100mm4- safety valve5- ODS device6- Fast ... ×695mm9- Gross weight: 20kg10- Loading /HQ: 520pcs thin body room gas heater (best seller)