Tankless water heaters are ventilated in two ways.
Tankless gas water heater venting.
Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.
If you have a gas fueled tankless water heater that is installed inside the house it needs to be vented to the outside.
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See the use and care manual for important information regarding the venting installation and materials for your tankless water heater.
Electric tankless water heaters do not need to be vented but gas tankless heaters do.
Tankless water heaters can be vented in two ways.
Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.
The reason is because like a standard water heater they create dangerous combustion gases when they fire.
However it doesn t have to be an expensive hassle to vent.
Indoor tankless water heaters use either steel venting or pvc venting depending on the model you purchase.
If you have questions just call tanklessking today for help.
Power vent and direct vent.
But if you have an outdoor unit then you don t need a vent as the exhaust is already outside.
You can vertical vent or horizontal vent and tanklessking has all your venting equipment for your tankless water heater.
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.
Traditional gas tank water heater require venting through the roof.
Concentric vents provide a couple of advantages.
Direct vent units pull in air from outside the house so they have two vents for intake and exhaust.
Tankless water heaters don t always need two ventilation pipes even for direct vent units.
Venting for gas tankless water heaters.
Power vent units use indoor air for combustion and simply vent the exhaust to the outside.
The gases contain carbon monoxide.