Since flue gases from the water heater are warmer than the surrounding air, they will rise naturally through a vertical vent pipe or chimney to the outdoors. The vents go directly through an outside wall, and can also bring in combustion air to the gas burner.Click to see full answer. Considering this, how do you vent a propane water heater?Water heaters with power venting come with an electric blower fan (often very quiet) installed on top of the water heater and can have either vertical or horizontal vent ducts. Since the vent does not rely on the buoyancy of hot air, it can be run horizontally to the outside of the house.Furthermore, can you vent a gas water heater and furnace together? Many homes are built with the water heater and furnace sharing the same combustion-gases exhaust vent. This practice is common with standard efficiency (80%) furnaces. When installed correctly, this venting arrangement works with an 80% gas furnace (or lower than 80%) + gas water heater. Additionally, can you install a power vent on an existing water heater? Natural gas or propane hot water heaters are generally less expensive to operate than electric heaters, but installing a standard vent in a house without an existing chimney is expensive. It’s easier to run the vent if you install a “power-vented” type of natural gas (or propane) water heater.Can I replace a power vent water heater with a direct vent?Instead, both systems typically expel exhaust through a pipe that runs outside through an exterior wall. This difference in operation means that you can install a direct vent system almost anywhere, but a power vented water heater must be placed in a room with adequate airflow.
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