... America with ISO9001-2008 Certificate 1)with meter 2)male thread connector 3)q=1.2m3/ lpg heater valve for Central and South ... , with double nozzles2)can be used in home, hotel, restaurant, heater...etc3)using gas: propane, butane, lpg4)working temperature:-20C-45C5 ... accept ODM, OEM,10)other spare parts also avaliable lpg heater valve with ISO9001-2008