... ::gas cooker, Volumetric gas water heater,boiler Products:thermocouple kit for gas heater Open current: 120mA Shut off current: 40mAService Gas ... and boiler volume, gas ovens and other products in the course of the loss due to accidental flame thermal power components, ... avoiding gas leakage to poisoning, fire and explosion accidents. The product applies to NG,,LPG,artificial gas, land other gas ...