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Gas-fired flue sig as a function of the heater with a gas valve, the valve body as the armature of an under the action of a flue signal is a function of the mangle and a stationary electromagnet safety pilot is designed
Gas-fired flue sig as a function of the heater with a gas valve, the valve body as the armature of an under the action of a flue signal is a function of the mangle and a stationary electromagnet safety pilot is designed