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..
People also ask, can you vent a hot water heater out the wall?
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.
One may also ask, 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.
Correspondingly, can you vent a hot water heater with PVC?
PVC is fine. As Jason mentioned, plastic (PVC or ABS) is ok to use as a venting material on powervented hot water heaters. They work by sending a huge amount of air in with the flue gases that it decreases the temperature of the exhaust going through the vent enough that it will not comprimise the vent.
Can I vent my water heater with my furnace?
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.
Related Question Answers
Can you put a power vent on any water heater?
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.What is a Type B vent pipe?
Type B Gas Vent Pipe. Type B Gas Vent has been engineered to heat up rapidly. It remains hot during the operation of the appliance with minimal condensation in the appliance and vent system. Pipe lengths are available in multiple lengths, 6 to 60 inches, with a full complement of adjustable and rigid fittings.How much does it cost to install a power vent water heater?
Power venting a water heater costs about $500 to $1,000 more than a passive or direct vent system. Power venting: Adds $300-$600 to the unit's price. Plus, you'll add an additional $300-$500 for wiring and electrical.Why are direct vent water heaters so expensive?
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.What size is water heater vent pipe?
Replace the smaller size vent pipe with a proper / required size: most 30 gallons, 40 gallons, and 50 gallons gas water heaters use 3″ diameter vent pipe.How does a power vent hot water heater work?
A power vent water heater is vented horizontally and vents exhaust through a horizontal pipe that leads out your home. An added fan/blower pushes the exhaust gases through this pipe. Extra power is required to power the blower, and this power source is separate from powering your water heater.Is a Backdrafting water heater dangerous?
Backdrafting is dangerous because exhaust gas contains carbon monoxide. While a properly operating water heater will produce extremely low levels of carbon monoxide, that's not always the case with a backdrafting water heater.How efficient is a power vent water heater?
Power venting heaters are more energy-efficient because all the fuel that is used goes to heating the water. The use of the fan allows for a more consistent pressure to push the dangerous gases out of your home, so there is less chance of something going wrong to cause an explosion.Why do you need a power vent water heater?
A power vent water heater uses a fan or blower to assist in the removal of exhaust gases from the hot water heater. Exhaust gases can be pushed through horizontal exhaust pipes with the use of a fan or blower. The main benefit of a power vent water heater is the ability to locate the water heater away from a chimney.What temperature can PVC pipe withstand?
140 degrees F
Can you use foil tape on a water heater vent?
No photo is showing. But no, foil tape is not supposed to be used to seal. This is not a pressure pipe, the heated gases rise due to natural buoyancy and tend to draw air in at the joints rather than leaking out. If single wall pipe it should be tight and screws used to lock it together.Do hot water heaters need fresh air?
The air that your gas furnace (and water heater, and boiler) needs in order to burn safely is called combustion air. If your furnace has two PVC pipes going to the outside, then one of those pipes is taking the flue gases out and one is bringing fresh air in for combustion.Can I use PVC to vent gas water heater?
PVC is fine. As Jason mentioned, plastic (PVC or ABS) is ok to use as a venting material on powervented hot water heaters. They work by sending a huge amount of air in with the flue gases that it decreases the temperature of the exhaust going through the vent enough that it will not comprimise the vent.What is direct venting water heater?
Direct Vent water heaters utilize a co-axial (pipe inside a pipe) vent pipe that takes air in from the outside (outer vent) and vents combustion gases directly back to the outside (outer vent). It is the perfect choice for situations with insufficient combustion air. No electricity required.What is a power vent on a water heater?
A power vent water heater uses a blower or fan to exhaust gases by pushing them through vent pipes that are horizontal. Either way, a power vent can be vented by simply running inexpensive pipe horizontally. 
