There are concentric and dual.
Venting tankless water heater installation.
Traditional gas tank water heater require venting through the roof.
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.
Mount the tankless water heater securely to the platform.
Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.
Venting a tankless water heater according to the manufacturer s instructions is essential to the installation process for the water heater to function at length and effectively and most importantly to avoid any chance of danger and the risk of carbon monoxide poisoning.
This type of vent draws air in from the outside and then vents the exhaust out as well.
Power vent and direct vent.
See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.
While electricity water and gas supplies are connected the rinnai water.
It provides a continuous supply of hot water at a preset temperature.
Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.
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.
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.