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.
Water heater vent types.
Water heater venting basics.
Direct vent systems are air tight and designed with a sealed combustion chamber.
Proper venting prevents backdrafting.
Natural draft gas water heater vent pipe system is still dominating and as long as the property has favorable structural conditions and a chimney dedicated for use with gas burning appliances you can use this type of venting.
Power vent water heater vent type.
Do not common vent this water heater with any power vented appliance.
There are three the most used venting systems in residential water heating.
The three variations are known as direct atmospheric and powered.
What you should know.
Water heater vent types demystified which type do you need.
Selecting the best venting option for a gas water heater types of the venting systems.
The venting system of the gas water heaters might consist of one or two pipes.
Some are suitable for gas water heaters and others are best paired with electric powered models.
The two pipe system.
Direct vent water heater vent type.
Gas water heater vent configurations standard atmospheric vent.
A direct vent system pulls in.
Smith power vent gas water heaters are equipped with an electric blower fan that is installed on top.
All water heater venting systems use a vent duct or pipe also called a chimney or flue to bring exhaust gases.
This type of vent relies on a series of motorized fans to help move the gaseous.
Standard atmospheric water heaters are the most common type of residential gas water heaters.