Water Heater Venting Through Roof

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.

Water heater venting through roof. Cut the hole with the jigsaw. Two pipes are fit in and one concentrical pipe gap which runs from the water heater through the wall or roof of the home. 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 that. In order to do this two critical measurements must be taken.

The heater itself encompasses a sealed cover and does not use any air from the area wherever it is installed. If the vent pipe isn t installed properly the roof may leak through or around the pipe penetration leading to costly repairs. Use a plumb bob to be sure the center of the tube at the. Vent pipes provide this air by running outside the structure of the house.

Running a vent pipe out of the roof takes some careful preparation. When water drains air must replace the space that was taken up by the water. Mark the ceiling above the water heater to receive the pipe. When installing a gas water heater building codes requires that they be ventilated out of the room through the attic and out through the roof.

Among the two pipes one is for exhaust and the other one is for fresh air intake. How to vent a gas water heater through the roof 1.