Gas Water Heater Services

Gas Water HeatersGas Water Heater Repair Des Moines

In a direct-fired gas water heater, the heat source is a flame burning on the bottom of the water heater. Air enters the combustion chamber, integrates with the fuel, and the mixture is sparked. Heat is then moved to the water with metal surface areas at the bottom of the tank. The vent pipe, an exhaust pipe which holds the by-products of combustion to the exterior, also functions as a heat exchanger. This pipe is normally surrounded by the water containment tank, and frequently contains baffles to slow the escape of these gases through the vent, hence allowing more time for heat to be transferred to the water around the pipe.

Energy is lost in the transfer of heat from the flame to the water, and some heat is lost up the flue.

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