Venting Tankless Water Heater Installation

Power vent and direct vent.

Venting tankless water heater installation.

Mount the tankless water heater securely to the platform. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. There are two types of venting available for this type of tankless water heater.

The rinnai water heater is one of the most advanced water heaters available. It provides a continuous supply of hot water at a preset temperature. 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. While electricity water and gas supplies are connected the rinnai water.

This type of vent draws air in from the outside and then vents the exhaust out as well. These are the two major differences in venting that will affect how and where you install your tankless water heater. 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.

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