
How Does A Gas Tankless Water Heater Work Appliances For Life
Natural gas or propane is piped from outside the home into your furnace. A special valve inside the furnace directs the flow of gas into a burner (like the ones on a gas grill) where it is ignited to start a controlled flame. Heat from the burning fuel enters a narrow chamber called a heat exchanger. Cold air from your home flows across the.
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