Tankless Gas Water Heater Venting

The gases contain carbon monoxide.

Tankless gas water heater venting.

If you have a gas fueled tankless water heater that is installed inside the house it needs to be vented to the outside. If you have questions just call tanklessking today for help. Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Venting for gas tankless water heaters.

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. See the use and care manual for important information regarding the venting installation and materials for your tankless water heater. Traditional gas tank water heater require venting through the roof. Tankless water heaters are ventilated in two ways.

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. Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house. But if you have an outdoor unit then you don t need a vent as the exhaust is already outside. Power vent and direct vent.

Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement. Indoor tankless water heaters use either steel venting or pvc venting depending on the model you purchase. It doesn t matter if the gas is natural gas or propane this fact remains the same. Tankless water heaters can be vented in two ways.

View as grid list. The reason is because like a standard water heater they create dangerous combustion gases when they fire. 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. Tankless water heaters don t always need two ventilation pipes even for direct vent units.

Concentric vents provide a couple of advantages. Electric tankless water heaters do not need to be vented but gas tankless heaters do.