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.
Direct vent hot water heater installation.
You many need to spray some wd 40 on there to loosen it or even use an impact wrench.
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.
On some water heaters the anode rod is attached directly to the hot water nipple.
You simply untighten the plug and remove it.
For most direct vent systems two pipes are used.
Direct vent tankless water heaters require no extra power the exhaust gas is drawn out vertically through separate vent duct.
No vent damper whether it is operated thermally or otherwise is to be installed on this direct vent water heater.
Thus the using costs and venting costs are quite low.
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.
With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof.
No vent damper installation is compatible with this direct vent water heater design.
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.
This page has general replacement instructions.
One is for intake while the other for exhaust.
This difference in operation means that you can install a direct vent system almost anywhere.
It s easier to run the vent if you install a power vented type of natural gas or propane water heater.
It could be that the location where you want to install your hot water heater is not near the chimney or your home does not have a chimney.
Look for a hex shaped plug at the top of the water heater.
Direct vent water heaters.