Tankless Gas Water Heater Venting Options

The promise of tankless gas water heaters unlimited hot water on demand and substantial long term energy savings.

Tankless gas water heater venting options.

There are also water heaters such as tankless outdoor models that do not require venting as they are installed outside. Tankless water heater venting through roof is not necessary. Special stainless steel pipe. All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul.

Will only ring true for you if you buy a unit that s appropriate for your needs. 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. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. Navien premium efficiency condensing tankless water heaters are the 1 selling high efficiency condensing tankless water heaters in north america the npe series offers industry leading efficiency up to 0 97 uef to keep your utility bills low endless hot water so you never have a cold shower and exclusive comfortflow technology with built in.

Vent adapter is needed to connect the water heater which is tankless to the exhaust hose. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. If you have issues with where to place a tankless water heater due to venting concerns then your best bet may be to get an electric tankless water heater. You may need to get more than one if you have heavy water usage at any one time.

One pipe venting water heater such as the above atmospheric type utilize one pipe for transferring the flue gases out while the air for combustion is brought from the surrounding atmosphere to the combustion chamber. All indoor tankless gas water heaters must be vented vertically or horizontally to the outdoors using factory approved venting material no other venting material is permitted. You do have way more options with electric than with gas or propane but the issue generally is the gpm. Select either an adapter of three inch or an adapter of four inches depending on what water heater model you decide.

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. The vent pipe must be made of stainless steel designed for venting corrosive gases. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting.