Tankless Water Heater Air Intake Inside

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 heater air intake inside.

Air intake filter for rinnai boiler. Tankless water heaters which are installed outside enable to provide free indoor area. Tankless water heaters are vented in two ways. With rinnai common venting up to 8 tankless water heater units share the same vent system.

Our furnace boiler intakes indoor air as currently installed so logic tells me i could do the same with the tankless water too. This configuration allows tankless units to fit in smaller spaces. It is held together with 4 screws. Power vent and direct vent.

Power vent units use indoor air for combustion and simply vent the exhaust to the outside. Gas tankless water heaters don t have to use indoor air for combustion. Tankless water heaters which are installed indoors attract air from the outside. For use with sensei se tankless water heaters condensing and m series.

One combustion air opening must be installed within 12 inches of the water heater s upper enclosure and another within 12 inches of the lower. Tankless water heaters are ventilated in two ways. 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. In fact tankless water heaters save up to 16 square feet of space.

For rinnai condensing boilers. Indoor tankless water heaters draw in outside air. If you want to free up even more space inside your home consider a rheem outdoor tankless water heater. Air ducts required for combustion must be at least 3.

Direct vent and power vent. What code would does apply in this case. Direct vent units pull in air from outside the home or building and have two vents one for intake and one for exhaust. Concentric vents provide a couple of advantages.

Tankless water heaters can be vented in two ways. To enjoy wifi control which enables you to adjust your water temperature and monitor your system from anywhere in the world consider a model that s econet enabled. The air intake filter is located inside the tankless water heater. 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.

The manufacturer seems to be ok with either approach. I have the option to let our new tankless water heater intake indoor air it will be installed in a semi finished basement or intake it from the outside. Direct vent units pull in air from outside the house so they have two vents for intake and exhaust.