How To Take Water Heater Flue Pipe Through Roof

Twist the cap as you lift it off the end of the pipe.

How to take water heater flue pipe through roof.

In the attic use the plumb bob to mark the center of the hole to be cut for the roof vent boot. All water heater venting systems use a vent duct or pipe also called a chimney or flue to bring exhaust gases from the water heater to the outdoors. Remove the fasteners that secure the rain cap to the top of the vent pipe with a screwdriver or nut driver. Storage tank propane water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the facility.

Other issue is the bathroom installation which isn t permitted as well unless the water heater closet is sealed from the bathroom area air tight doors and it has a separate fresh air supply from exterior or other areas of the house that can be used for this purpose. That s because the combustion byproducts are in a gaseous form so the gases can float up through the flue pipe and out of your roof. Water heater venting basics. 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.

Mark the ceiling above the water heater to receive the pipe. Position the vent pipe up to the bottom of the roof. 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. Tankless water heater venting through roof is not necessary.

Hello jody if it is a natural vent type water heater you can not vent it through the side wall it has to vent above the roof. Cut the hole with the jigsaw. The duct may be metal or plastic depending on the type of vent system. If your furnace has an afue rating of 90 percent or above it will have a flue pipe that goes out of the side of your house.

The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.