Venting Water Heater Through Roof

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.

Venting water heater through roof.

With the pipe in a vertical position trace around the pipe using a pencil. Mark the ceiling above the water heater to receive the pipe. Tankless water heaters provide either horizontal venting or vertical venting which is also referred to as tankless water heater venting through roof. 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 that. Exhaust gases are vented outdoors through a separate vent duct or through a separate chamber of the same pipe this requires a double wall vent duct. In order to do this two critical measurements must be taken. In the attic use the plumb bob to mark the center of the hole to be cut for the roof.

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. Illustrations of proper gas fired water heater venting using type b double wall vent pipe through a roof above or through a chimney below include details for the flue vent connector such as the requirement of a minimum vent connector upwards slope of 1 4 per foot of horizontal run. How to vent a gas water heater through the roof 1. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.

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. The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof. One on the ceiling above the water heater and one that is the distance from the attic floor to the roof. Direct vent water heaters.

With a direct vent system air for combustion is drawn from a vent pipe that runs through an exterior wall or the roof. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Traditional gas tank water heater require venting through the roof. Go into your attic.