Venting Tankless Water Heater Through Roof

To make venting easiest install your tankless water heater on an outside wall.

Venting tankless water heater through roof.

Traditional gas tank water heater require venting through the roof. This takes in the air from the surroundings so it uses the inside air to vent with an exhaust leading out of the house. 8 things to know about venting tankless water heaters 1. Tankless water heaters don t always need two ventilation pipes even for direct vent units.

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. Use a plumb bob to be sure the center of the tube at the ceiling and the center or. Tankless water heaters can be vented in two. Downhill slope or condensate drain.

Mark the ceiling above the water heater to receive the pipe. If the unit is installed on a basement wall the vent pipe can be run up just a few feet and then vented out the side with the use of a 90 degree elbow. Tankless water heaters don t always need two ventilation pipes even for direct vent units. Tankless water heaters allow for either horizontal venting out a side wall or up through the roof.

8 facts to know about venting tankless water heaters 1. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Tankless water heaters can be vented in. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.

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. Gas tankless water heaters don t have to use indoor air for combustion. Your vent should slope slightly downhill from the water heater s heat exchanger or be constructed with a condensate drain near the exhaust outlet. In the attic use the plumb bob to mark the center of the hole to.

The standard galvanized vent from your old storage tank heater would quickly rust away if your tankless heater vented through it. Tankless water heaters provide either horizontal venting or vertical venting which is also referred to as tankless water heater venting through roof. How to vent a gas water heater through the roof.