Gas Water Heater Repair San Diego

Gas Water HeatersGas Water Heater Repair San Diego

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, combines with the fuel, and the mixture is stirred up. Heat is then moved to the water with metal surfaces at the bottom of the tank. The vent pipe, an exhaust pipe which holds the by-products of combustion to the outside, also works as a heat exchanger. This pipe is normally surrounded by the water containment tank, and commonly contains baffles to slow the escape of these gases with the vent, hence permitting 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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