Gas Water Heater Vent Pipe Installation

Do not use regular duct tape to secure or seal connections.

Gas water heater vent pipe installation.

Otherwise you may be stuck overpaying for installation. Because the new vent pipe is smaller it can often be installed inside the old vent pipe. The smoke should pull into the hood. The connection between the draft hood and the vent pipe should be secured with sheet metal screws three per connection on a single wall pipe are recommended.

Typically if the existing vent that served both furnace water heater is larger than 4 inches a smaller vent pipe must be installed to serve only the water heater. Draft hood and gas water heater vent pipe connections. How long the vent pipe is and 2. The size in gallons of the water heater.

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. Gas water heaters need proper venting for operation. A direct vent water heater uses special coaxial venting that has separate chambers for intake air and exhaust in a single assembled vent piece.

In the attic use the plumb bob to mark the center of the hole to be cut for the roof vent boot. If you re planning a replacement project be sure to consider the issue of water heater venting. To check the venting on your existing unit close all windows and doors and turn on all gas appliances and exhaust fans and turn up the temperature on your water heater for a few minutes. The exhaust gases and excess heat produced by your water heater are then vented back outdoors.

Cut the hole with the jigsaw.