Tankless Water Heater Vent Requirements

See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.

Tankless water heater vent requirements.

No they don t need to be vented. 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. Gas tankless water heaters don t have to use indoor air for combustion. 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.

The water heater must be vented in accordance with the section venting of equipment of the latest edition of the national fuel gas code. Vent termination all tankless water heater vents must terminate at least 4 feet from a property line. Restrictions on gas fueled tankless water heaters no gas appliance may be located in a room used. Vent adapter is needed to connect the water heater which is tankless to the exhaust hose.

Ok so san jose has the following requirements for where to install the tankless water heater. Tankless water heaters don t always need two ventilation pipes even for direct vent units. You do have way more options with electric than with gas or propane but the issue generally is the gpm. The vent pipe must be made of stainless steel designed for venting corrosive gases.

These vents must be made of suitable materials and be kept clear of combustible materials. Special stainless steel pipe. These vents must be made of suitable materials and be kept clear of combustible materials. Tankless does not mean instant hot water contrary to popular thought a tankless water heater does not necessarily deliver hot water to your tap any faster than a conventional water heater.

Indoor tankless water heaters draw in outside air. Tankless water heater venting features. Facts about tankless water heater venting. It takes time for the tankless unit s heating element to first heat water before delivering it to the tap.

Tankless water heaters are vented in two ways. All emission of liquid or gas water heaters which are tankless needs vent pipes made of stainless steel and approved by ul. Outside tankless water heaters free up indoor space. The tankless heater cannot share vent piping with any other appliance and it cannot use a masonry chimney flue for venting.

Direct vent and power vent. Tankless water heaters can be vented in two ways. American tankless water heaters venting. Tankless units withstand below freezing temperatures.

In fact a tankless unit may be slower.