Navien Tankless Water Heater Venting Through Roof

It really is not a good idea.

Navien tankless water heater venting through roof.

Traditional tank gas 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 house. Whenever we are installing a gas water heater building codes require that there should be a ventilator out of the room through the attic and out through the roof. Traditional gas tank water heater require venting through the roof. Technically you can vent your tankless heater through the chimney but only in certain circumstances.

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. Tankless water heater venting through roof is not necessary. Read more problem solved. By sharing the main intake and exhaust vent pipes effective system venting is available with less venting materials and minimal number of penetrations on the walls or roofing.

Tankless water heaters provide either horizontal venting or vertical venting which is also referred to as tankless water heater venting through roof. 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. To make venting easiest install your tankless water heater on an outside wall. By contrast tankless water heaters vents can terminate on a side wall because their combustion fan blows exhaust from the units horizontally.

Gandy installations saves customer enough space for a refrigerator. To do this two critical measurements must take one on the ceiling above the water heater and one that is the distance from the attic floor to the roof. Tankless water heaters allow for either horizontal venting out a side wall or up through the roof. Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.

The biggest issue is that the condensate is very acidic and will corrode the masonry of a chimney. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. When venting navien npe tankless water heaters it is important that you do not start the vent run with a street elbow at the vent collar.