Venting Tankless Water Heater Installation

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.

Venting tankless water heater installation.

Power vent and direct vent. While electricity water and gas supplies are connected the rinnai water. Mount the tankless water heater securely to the platform. Traditional gas tank water heater require venting through the roof.

Mount the water heater build a platform with 2 x 4 inch pieces of lumber that will allow you to mount the new tankless water heater about four inches from the wall. 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. This appliance is direct vent where air is brought in from the outside and combustion gases are exhausted to the outside. This type of vent draws air in from the outside and then vents the exhaust out as well.

It provides a continuous supply of hot water at a preset temperature. These are the two major differences in venting that will affect how and where you install your tankless water heater. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. Tankless water heaters are ventilated in two ways.

Direct vent units attract outside air from the house or building while power vent units solely need an exhaust vent and should be installed in a larger area for receiving sufficient air amount for combustion. There are two types of venting available for this type of tankless water heater. There are concentric and dual.