What does direct vent mean on a water heater?

When most homeowners are shopping for a new water heater, they might stumble upon the term “direct vent” in the manufacturer’s descriptions. While this term does not have an official definition, it generally refers to water heaters with a vent that is directly connected to the outside of the building. This type of water heater does not use a traditional flue system, instead relying on the natural convection of heated air to rise and escape the water heater.

What does direct vent mean on a water heater tank?

The direct vent water heaters have a vent pipe that runs along the length of the tank. It’s where the hot water exits the tank. This vent pipe is very important because it allows the air to escape and prevents pressurized water from building up inside the tank. This helps to prevent pressure from rupturing the tank.

What does direct vent water heater mean?

Speaking of venting, another important component of a quality water heater is the type of vent. When buying a water heater, you will have a choice between two venting options: direct vent or ventless. A direct vent water heater has a vent that goes through the wall. It’s located away from the water tank, usually under the sink. When the burner is on, warm air is drawn up through this vent, making it a natural way to get rid of excess heat and gases

What does direct vent mean on a gas water heater?

By default, gas water heaters have direct vent. The gas water heater has a sealed combustion chamber where the gas is burned. The heat and the resulting steam is then transferred to the water. A direct vent gas water heater doesn’t have a flue. Instead, the hot air and steam is released into the air through a vent pipe that is attached to the water heater.

What does the direct vent mean on a water heater?

This type of venting system is very similar to the type of venting system in a fireplace. It vents hot air from your water heater to the outdoors, rather than allowing warm air to escape up into the attic. This helps to ensure the safety of your family and helps to prevent potentially life-threatening carbon monoxide poisoning. Be certain your venting system is in good working condition so you don’t have carbon monoxide leaking into your home.