Position the vent pipe up to the bottom of the roof.
How to install water heater vent through roof.
In the attic use the plumb bob to mark the center of the hole to be cut for the roof.
Go into your attic.
With the pipe in a vertical position trace around the pipe using a pencil.
Cut the hole with the jigsaw.
Mark the ceiling above the water heater to receive the pipe.
Use the plumb bob to be certain the center of the pipe at the ceiling and the center or the boot on the water heater are lined up.
Cut the hole with the jigsaw.
Atmospheric venting refers to a system in which exhaust from the water heater naturally rises out of the appliance s combustion chamber then travels up through a standard chimney style flue.
This will allow your water heater to operate efficiently and effectively and most significantly it will avoid any probability of danger and therefore the risk of carbon monoxide gas poisoning.
Venting of a tankless water heater in accordance with the manufacturer s directions is very important in order to install the water heater.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Use a plumb bob to be sure the center of the tube at the.