With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.
Direct vent hot water heater installation.
This page has general replacement instructions.
The primary advantage of a power vent is that the water heater can be located in any area and does not require a vertical vent or chimney.
Direct vent tankless water heaters require no extra power the exhaust gas is drawn out vertically through separate vent duct.
You simply untighten the plug and remove it.
It s easier to run the vent if you install a power vented type of natural gas or propane water heater.
Look for a hex shaped plug at the top of the water heater.
For most direct vent systems two pipes are used.
Alteration of any part of the factory furnished vent assembly could result in improper operation due to.
One is for intake while the other for exhaust.
You many need to spray some wd 40 on there to loosen it or even use an impact wrench.
On some water heaters the anode rod is attached directly to the hot water nipple.
No vent damper whether it is operated thermally or otherwise is to be installed on this direct vent 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.
Thus the using costs and venting costs are quite low.
Direct vent direct vent gas water heaters are a type of gas water heater best suited for use when there is insufficient ventilation within the installation space in your home.
No vent damper installation is compatible with this direct vent water heater design.
This difference in operation means that you can install a direct vent system almost anywhere.
A direct vent system pulls in air from outside and then vents the exhaust through a horizontal pipe.
Either way a power vent can be vented by simply running inexpensive pipe horizontally.
A direct vent water heater draws air for combustion from outside your home rather than inside.