Tankless Water Heater Exhaust Pipe

Tankless water heaters don t always need two ventilation pipes even for direct vent units.

Tankless water heater exhaust pipe.

Tankless water heaters don t always need two ventilation pipes even for direct vent units. Tankless water heaters blow exhaust from the heater horizontally with the use of fans thereby permitting vents to end on a different position of your house. Concentric vents provide a couple of advantages. This allows for significantly fewer wall or roof cuts less labor and longer vent lengths than ever possible with single unit tankless water heater venting.

With rinnai common venting up to 8 tankless water heater units share the same vent system. Direct vent water heaters can use two separate pipes for intake and exhaust but some manufacturers offer concentric venting a single pipe that contains an inner exhaust vent and an outer intake vent. After applying pipe thread tape to the mnpt nipples on your water heater thread the fnpt end of the. Condensation tankless water heaters minimize the value of the installation.

Concentric venting reduces install time and costs. Direct vent water heaters can use two separate pipes for intake and exhaust but some manufacturers offer concentric venting a single pipe that contains an inner exhaust vent and an outer intake vent. Traditional gas tank water heater require venting through the roof. Tankless water heater venting style permits for multiple emission choices.

Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.