Tankless water heaters are ventilated in two ways.
Tankless water heater roof vent.
Stainless steel concentric vent for indoor tankless gas water heaters model rtg20151e 1 48 15 48 15.
Set your store to see local availability.
Plastic condensing roof discharge termination vent kit for rinnai se tankless water heaters model 184162pp.
Items 1 16 of 27.
The biggest issue is that the condensate is very acidic and will corrode the masonry of a chimney.
Direct vent units pull in air from outside the house so they have two vents for intake and exhaust.
Power vent and direct vent.
Tankless water heater venting through roof is not necessary.
Storage tank propane water heaters vent through the roof using galvanized steel b vents because they work through natural draft allowing the hot exhaust air to rise up and out of the facility.
Power vent units use indoor air for combustion and simply vent the exhaust to the outside.
Indoor tankless water heaters use either steel venting or pvc venting depending on the model you purchase.
Technically you can vent your tankless heater through the chimney but only in certain circumstances.
Installing your tankless water heater for easier venting to make venting easiest install your tankless water heater on an outside wall.
You can vertical vent or horizontal vent and tanklessking has all your venting equipment for your tankless water heater.
Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.
Rheem adjustable vent length 3 x 5 in.
Rinnai 3 in 5 in.
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.
If the unit is installed on a basement wall the vent pipe can be run up just a few feet and then vented out the side with the use of a 90 degree elbow.
Traditional gas tank water heater require venting through the roof.
Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.
If you have questions just call tanklessking today for help.