Often asked: What Is Direct Vent Water Heater?

What is the difference between a direct vent and power vent water heater?

The difference is that a power vent water heater pulls in combustion air from the space around the appliance, then uses a fan to propel the exhaust through the vent. A direct vent system pulls in air from outside and then vents the exhaust through a horizontal pipe.

What is the advantage of a direct vent water heater?

When using a direct vent water heater, water is heated by the heat of fuel combustion. A direct vent system typically results in lower water heating costs, because the exhaust gases are vented vertically, with no extra power required as is the case with the power vent water heater.

Is a direct vent water heater more efficient?

Power vent water heaters are more energy efficient, so they require less gas to operate. The lower energy consumption will save you some money, but probably not more than $20 a year, making this an added benefit, but not a deciding factor.

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What is the difference between direct vent and non direct vent?

Direct vent (two-pipe) vent system – This system uses one pipe to bring in outside air for combustion and another to remove exhaust gases. Non-direct (single-pipe) vent system – This system uses only one pipe to remove exhaust gases.

Can a water heater be vented out a sidewall?

Venting. All natural gas water heaters must be vented to the outdoors to remove the byproducts of combustion. Atmospherically venting gas water heaters is the most common type of venting option used. The vents go directly through an outside wall, and can also bring in combustion air to the gas burner.

How long do direct vent water heaters last?

How Long Do Water Heaters Last? Based on the manufacturer’s suggested service life, the life expectancy of a water heater is about eight to 12 years.

Can you convert a direct vent water heater to a power vent?

Member. NO NO NO! Unless the water heater originally was manufactured with a power vent assembly and you are replacing it. Power vent water heaters are manufactured differently from the ground up.

Is Rheem better than AO Smith?

Both AO Smith and Rheem are great names in the water heater industry. Rheem has a better overall product offering with a higher reach in the industry. But AO Smith is known to have a better customer experience. Regardless of what type of water heater you choose, both options will provide you with excellent longevity.

Why are power vent water heaters more expensive?

A power vent water heater will cost more initially due to extra equipment needed such as the fan and blower. Also, you will need to run a power line to the fan which will also add to the cost.

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Can I use PVC to vent gas water heater?

A standard will be needed for plastic flue pipes that should include a temperature gauge and a high limit probe. Then PVC, CPVC and polypropylene flue gas piping can be safely used on high efficiency boilers and water heaters.

Are power vent water heaters loud?

Many people complain about power vent water heaters because they create too much noise. We’ve got a few ways to help you reduce the noise and keep everyone happy. There are many different ways you can reduce the noise; some are easier than others.

How do direct-vent heaters work?

A direct-vent wall furnace is a self-contained sealed combustion heating appliance that warms inside air by recirculating it around a sealed chamber, and discharges combustion byproducts outside the home via direct-vent. They are permanently attached to the structure of a building, and are not connected to ductwork.

Are all tankless water heaters direct-vent?

1. Gas tankless water heaters don’t have to use indoor air for combustion. Tankless water heaters can be vented in two ways: power-vent or direct-vent. Power-vent units use indoor air for combustion and simply vent the exhaust to the outside.

What is the difference between direct-vent and B vent gas fireplaces?

What is the difference between a Direct Vent and a B-Vent gas hearth product? A B-vent must be vented vertically and uses fresh air from inside the home to provide oxygen to the fire. A direct vent has a sealed glass front and pulls all of its fresh air from outside the home.

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