Water Heater Vent Installation Roof

Cut the hole with the jigsaw.

Water heater vent installation roof.

However the material of the concentric venting may be different depending on the water heater. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Hot exhaust from the water heater naturally rises up through the vent and into the air outdoors creating a draw that promotes this upward airflow. Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.

In the attic use the plumb bob to mark the center of the hole to be cut for the roof. Wrap the threaded end of the water heater vent port with teflon thread tape and screw one end of a 1 2 inch hose onto the port. Wrap the threaded portion of the water system vent which extends up on your deck with teflon tape and connect the vent hose to it. The system works solely through natural convection based on the principle that hot air rises.

Illustration above an unused chimney flue or masonry enclosure may be used as a passageway for the installation of the water heater vent pipe. All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. 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. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.

Then simply connect to pex using copper crimp rings stainless steel pinch clamps or stainless steel sleeves and your water heater is connected. 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. Traditional gas tank water heater require venting through the roof. Tighten all connections with a pipe wrench.

Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide. Concentric venting may be used with several types of water heaters including direct vent power direct vent and tankless water heaters. After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the water heater connector onto the tank and tighten with pliers. How to vent a gas water heater through the roof 1.

Venting through existing chimney. The vent consists of a vertical or upward sloping vent duct that typically ties into a common vent. More product details close. It can provide an aesthetic installation with a single wall or roof penetration.

Tighten the connection with a pipe wrench. Mark the ceiling above the water heater to receive the pipe. 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. Use a plumb bob to be sure the center of the tube at the.